Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
CANADIAN DOLLAR - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF CAD 100,000)                                                                                 
CFTC Code #090741                                                    Open Interest is   190,149
Positions
    58,230        393      5,438     31,198     42,606      8,610     28,901     63,827     15,874      9,401     13,212      1,486     31,011     38,702
 
Changes from:       December 24, 2018                                Total Change is:    10,395
     5,996         11        146       -774      2,056        212      5,077      7,090       -739          7        605         25        445        987
 
Percent of Open Interest Represented by Each Category of Trader
      30.6        0.2        2.9       16.4       22.4        4.5       15.2       33.6        8.3        4.9        6.9        0.8       16.3       20.4
 
Number of Traders in Each Category                                    Total Traders:       118 
         9          .          6         11         18          8         20         43         23          8          7          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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SWISS FRANC - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF CHF 125,000)                                                                                     
CFTC Code #092741                                                    Open Interest is    68,193
Positions
    45,175      2,045         12      1,555     16,232      1,073     11,961     23,573        942          0      3,610          0      7,474     20,706
 
Changes from:       December 24, 2018                                Total Change is:    -2,941
      -150       -420         -2       -366     -1,277       -317       -733        991         -5       -540       -327          0       -827     -1,583
 
Percent of Open Interest Represented by Each Category of Trader
      66.2        3.0        0.0        2.3       23.8        1.6       17.5       34.6        1.4        0.0        5.3        0.0       11.0       30.4
 
Number of Traders in Each Category                                    Total Traders:        46 
         5          .          .          .         11          .          9         13          6          0          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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BRITISH POUND STERLING - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF GBP 62,500)                                                                           
CFTC Code #096742                                                    Open Interest is   253,383
Positions
    96,605      9,298     11,147     48,799     98,399      6,173     35,656     44,454     32,330        174     10,194      2,622     19,878     38,766
 
Changes from:       December 24, 2018                                Total Change is:        94
      -906       -701        534         80     -2,728       -386      1,888      4,502        -39          1        -19        -59     -1,019     -1,009
 
Percent of Open Interest Represented by Each Category of Trader
      38.1        3.7        4.4       19.3       38.8        2.4       14.1       17.5       12.8        0.1        4.0        1.0        7.8       15.3
 
Number of Traders in Each Category                                    Total Traders:       130 
         8          6          9         12         31         12         33         29         23          4          7          6
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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JAPANESE YEN - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF JPY 12,500,000)                                                                                 
CFTC Code #097741                                                    Open Interest is   253,066
Positions
    91,304     29,802      6,650     43,352     28,082     15,422     28,374    103,386     25,648     15,142      3,946      2,969     24,205     37,161
 
Changes from:       December 24, 2018                                Total Change is:    -6,503
    -6,197      5,200      1,032        191     -5,744        953     -4,986     -7,831      1,042      3,829       -983        -88     -2,280        -85
 
Percent of Open Interest Represented by Each Category of Trader
      36.1       11.8        2.6       17.1       11.1        6.1       11.2       40.9       10.1        6.0        1.6        1.2        9.6       14.7
 
Number of Traders in Each Category                                    Total Traders:       118 
         5         10          8         19         21         13         20         30         26          7          6          4
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
EURO FX - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF EUR 125,000)                                                                                         
CFTC Code #099741                                                    Open Interest is   557,374
Positions
    42,412    110,673     11,096    306,440    176,610     21,555     24,879    115,499     44,358     18,480     18,002      2,261     85,893     57,321
 
Changes from:       December 24, 2018                                Total Change is:    -3,493
     1,588      2,403     -1,051        790     -1,389       -702      2,156     -2,643        783        653      1,872         34     -7,743     -2,800
 
Percent of Open Interest Represented by Each Category of Trader
       7.6       19.9        2.0       55.0       31.7        3.9        4.5       20.7        8.0        3.3        3.2        0.4       15.4       10.3
 
Number of Traders in Each Category                                    Total Traders:       290 
        16         10         14         95         39         50         29         58         37         21         21         10
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
EURO FX/BRITISH POUND XRATE - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF EUR 125,000)                                                                     
CFTC Code #299741                                                    Open Interest is    28,260
Positions
       602     13,655          0     10,578      6,176      2,372      1,000        849          2          0        727          5     13,701      4,474
 
Changes from:       December 24, 2018                                Total Change is:       245
         0          0          0      1,024        -48         47       -511        104          0          0          0          0       -315        142
 
Percent of Open Interest Represented by Each Category of Trader
       2.1       48.3        0.0       37.4       21.9        8.4        3.5        3.0        0.0        0.0        2.6        0.0       48.5       15.8
 
Number of Traders in Each Category                                    Total Traders:        26 
         .          .          0         13          6          7          .          .          .          0          .          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
EURO FX/JAPANESE YEN XRATE - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF EUR 125,000)                                                                      
CFTC Code #399741                                                    Open Interest is    28,352
Positions
     5,618      6,456        627     10,924     12,247      2,111      3,001      1,252          0          0          0          0      6,071      5,659
 
Changes from:       December 24, 2018                                Total Change is:      -655
        17         -5          5        -39       -423       -203       -880          1          0          0          0          0        445        -30
 
Percent of Open Interest Represented by Each Category of Trader
      19.8       22.8        2.2       38.5       43.2        7.4       10.6        4.4        0.0        0.0        0.0        0.0       21.4       20.0
 
Number of Traders in Each Category                                    Total Traders:        21 
         .          .          .          7          7          7          .          .          0          0          0          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
AUSTRALIAN DOLLAR - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF AUD 100,000)                                                                               
CFTC Code #232741                                                    Open Interest is   141,976
Positions
    44,729      4,884      5,464     15,424     36,383      5,453     28,950     29,430     14,713        872      4,374      1,160     25,211     40,115
 
Changes from:       December 24, 2018                                Total Change is:     5,162
     1,044       -159        345         36     -1,165        653      4,571      2,478       -494         -4       -624        -25       -963      4,153
 
Percent of Open Interest Represented by Each Category of Trader
      31.5        3.4        3.8       10.9       25.6        3.8       20.4       20.7       10.4        0.6        3.1        0.8       17.8       28.3
 
Number of Traders in Each Category                                    Total Traders:        84 
         9          4          5          7         18          6         18         21         19          .          4          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
RUSSIAN RUBLE - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF RUB 2,500,000)                                                                                 
CFTC Code #089741                                                    Open Interest is    35,017
Positions
     1,204     28,659        500     18,274      1,885         29     13,474      1,818          3        520        528          0      1,013      1,595
 
Changes from:       December 24, 2018                                Total Change is:       995
     1,012       -961          0     -5,919      1,627         29      5,888        490          3         55       -165          0        -73        -28
 
Percent of Open Interest Represented by Each Category of Trader
       3.4       81.8        1.4       52.2        5.4        0.1       38.5        5.2        0.0        1.5        1.5        0.0        2.9        4.6
 
Number of Traders in Each Category                                    Total Traders:        32 
         .          4          .          4          .          .         11          6          .          .          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
MEXICAN PESO - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF MXN 500,000)                                                                                    
CFTC Code #095741                                                    Open Interest is   151,986
Positions
     5,576     56,787      1,214     73,075      9,554        514     56,226     48,970      4,466      5,628     26,499         12      5,275      3,971
 
Changes from:       December 24, 2018                                Total Change is:    14,126
      -607      3,831        158      9,952       -470        149      4,104     12,193       -567        214        108          1        722     -1,277
 
Percent of Open Interest Represented by Each Category of Trader
       3.7       37.4        0.8       48.1        6.3        0.3       37.0       32.2        2.9        3.7       17.4        0.0        3.5        2.6
 
Number of Traders in Each Category                                    Total Traders:       129 
         .          8          .         14         13          .         34         33         11         13         13          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
BRAZILIAN REAL - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF BRL 100,000)                                                                                  
CFTC Code #102741                                                    Open Interest is    21,484
Positions
     2,614        363      1,863          0     10,281          0     12,888      4,689      1,968        100        844          0      2,051      1,476
 
Changes from:       December 24, 2018                                Total Change is:     8,258
     1,221       -511      1,088          0      6,249          0      5,252        673        607          0        -56          0         90        208
 
Percent of Open Interest Represented by Each Category of Trader
      12.2        1.7        8.7        0.0       47.9        0.0       60.0       21.8        9.2        0.5        3.9        0.0        9.5        6.9
 
Number of Traders in Each Category                                    Total Traders:        30 
         .          .          .          0          6          0          9          8          .          .          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
NEW ZEALAND DOLLAR - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF NZD 100,000)                                                                              
CFTC Code #112741                                                    Open Interest is    29,922
Positions
     4,241        319          7      7,053      6,549         23     13,434     12,217      1,598        266      2,740        573      2,726      5,895
 
Changes from:       December 24, 2018                                Total Change is:     1,111
       909         -3          0       -842        303        -25      1,301        287          3         -1        -52        292       -526        306
 
Percent of Open Interest Represented by Each Category of Trader
      14.2        1.1        0.0       23.6       21.9        0.1       44.9       40.8        5.3        0.9        9.2        1.9        9.1       19.7
 
Number of Traders in Each Category                                    Total Traders:        65 
         6          .          .          5         12          .         19         17          6          .          4          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
SOUTH AFRICAN RAND - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF ZAR 500,000)                                                                              
CFTC Code #122741                                                    Open Interest is    14,960
Positions
     2,237     10,860          0      8,846      1,744          1      3,285        725          0        120        220          0        471      1,410
 
Changes from:       December 24, 2018                                Total Change is:         .
         .          .          .          .          .          .          .          .          .          .          .          .          .          .
 
Percent of Open Interest Represented by Each Category of Trader
      15.0       72.6        0.0       59.1       11.7        0.0       22.0        4.8        0.0        0.8        1.5        0.0        3.1        9.4
 
Number of Traders in Each Category                                    Total Traders:        20 
         .          .          0          .          .          .          6          5          0          .          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
DJIA Consolidated - CHICAGO BOARD OF TRADE   ($10 X DJIA INDEX)                                                                                            
CFTC Code #12460+                                                    Open Interest is    38,140
Positions
    10,290     22,199      1,260      7,120      1,414        143     11,116      4,383      1,093      1,766        948         85      5,268      6,616
 
Changes from:       December 24, 2018                                Total Change is:    -4,928
     1,683     -5,421        342        470     -1,109        -34     -3,977       -166       -528       -251        385        -15     -2,618      1,616
 
Percent of Open Interest Represented by Each Category of Trader
      27.0       58.2        3.3       18.7        3.7        0.4       29.1       11.5        2.9        4.6        2.5        0.2       13.8       17.3
 
Number of Traders in Each Category                                    Total Traders:        82 
        12         14          .         13          .          .         17         13          9          4          6          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE   ($5 X DJIA INDEX)                                                                                
CFTC Code #124603                                                    Open Interest is    76,280
Positions
    20,579     44,398      2,520     14,240      2,828        286     22,231      8,766      2,187      3,533      1,895        169     10,536     13,231
 
Changes from:       December 24, 2018                                Total Change is:    -9,855
     3,366    -10,841        684        940     -2,217        -68     -7,954       -331     -1,056       -503        770        -29     -5,236      3,233
 
Percent of Open Interest Represented by Each Category of Trader
      27.0       58.2        3.3       18.7        3.7        0.4       29.1       11.5        2.9        4.6        2.5        0.2       13.8       17.3
 
Number of Traders in Each Category                                    Total Traders:        82 
        12         14          .         13          .          .         17         13          9          4          6          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
DOW JONES U.S. REAL ESTATE IDX - CHICAGO BOARD OF TRADE   ($100 X DJ US REAL ESTATE INDEX)                                                                 
CFTC Code #124606                                                    Open Interest is    32,388
Positions
     7,048     25,058          0     21,503      1,224      2,205        405      2,699          0          0        446          0      1,227        756
 
Changes from:       December 24, 2018                                Total Change is:     2,441
    -1,959      1,836          0      4,644       -187        230          0         20          0          0          0          0       -474        542
 
Percent of Open Interest Represented by Each Category of Trader
      21.8       77.4        0.0       66.4        3.8        6.8        1.3        8.3        0.0        0.0        1.4        0.0        3.8        2.3
 
Number of Traders in Each Category                                    Total Traders:        23 
         .          6          0         11          .          4          .          .          0          0          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
S&P 500 Consolidated - CHICAGO MERCANTILE EXCHANGE   (S&P 500 INDEX X $250.00)                                                                             
CFTC Code #13874+                                                    Open Interest is   797,299
Positions
    32,292    171,293     50,189    261,567    140,679     74,367     58,379     53,781    167,147     29,958     35,504     27,018     96,382     77,321
 
Changes from:       December 24, 2018                                Total Change is:  -100,631
    -2,041    -13,787        975      5,838    -12,375     -2,472    -30,008     -7,719    -61,014       -425     -2,522       -968    -10,517       -749
 
Percent of Open Interest Represented by Each Category of Trader
       4.1       21.5        6.3       32.8       17.6        9.3        7.3        6.7       21.0        3.8        4.5        3.4       12.1        9.7
 
Number of Traders in Each Category                                    Total Traders:       614 
        28         46         37        167        104        137         88         87        103         61         32         41
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
S&P 500 STOCK INDEX - CHICAGO MERCANTILE EXCHANGE   (S&P 500 INDEX X $250.00)                                                                              
CFTC Code #138741                                                    Open Interest is    61,008
Positions
    10,158      7,324      1,756      4,197     10,149      1,644      5,442      3,018     11,619          2         31        650     25,540     24,817
 
Changes from:       December 24, 2018                                Total Change is:    -8,003
     4,147      3,107     -1,727     -1,019      1,278     -1,964      1,356        725     -8,394        -35        -36       -683        317       -309
 
Percent of Open Interest Represented by Each Category of Trader
      16.7       12.0        2.9        6.9       16.6        2.7        8.9        4.9       19.0        0.0        0.1        1.1       41.9       40.7
 
Number of Traders in Each Category                                    Total Traders:        40 
         5          7          6          .          4          .         10          6         13          .          .          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
E-MINI S&P 500 STOCK INDEX - CHICAGO MERCANTILE EXCHANGE   ($50 X S&P 500 INDEX)                                                                           
CFTC Code #13874A                                                    Open Interest is 3,681,455
Positions
   171,025    880,199    181,809  1,312,160    677,962    338,304    285,244    274,371    757,082    149,779    177,364    131,843    354,208    262,520
 
Changes from:       December 24, 2018                                Total Change is:  -463,142
   -14,974    -68,505     -2,459     40,056    -62,497     -8,306   -150,003    -35,405   -269,913     -2,283    -12,767     -1,091    -54,168     -2,201
 
Percent of Open Interest Represented by Each Category of Trader
       4.6       23.9        4.9       35.6       18.4        9.2        7.7        7.5       20.6        4.1        4.8        3.6        9.6        7.1
 
Number of Traders in Each Category                                    Total Traders:       606 
        29         45         35        169        101        136         85         86         98         60         30         39
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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E-MINI S&P HEALTH CARE INDEX - CHICAGO MERCANTILE EXCHANGE   ($100 x S&P Select Sector Health Care Index price)                                            
CFTC Code #13874E                                                    Open Interest is    17,216
Positions
     4,223     16,311          7      8,998        376          0      1,818          0          0        836          0          0      1,334        522
 
Changes from:       December 24, 2018                                Total Change is:    -1,251
       438     -1,223          0     -1,173         28          0          0          0          0          0          0          0       -516        -56
 
Percent of Open Interest Represented by Each Category of Trader
      24.5       94.7        0.0       52.3        2.2        0.0       10.6        0.0        0.0        4.9        0.0        0.0        7.7        3.0
 
Number of Traders in Each Category                                    Total Traders:        21 
         .          7          .          5          .          0          4          0          0          .          0          0
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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E-MINI S&P UTILITIES INDEX - CHICAGO MERCANTILE EXCHANGE   ($100 x S&P Select Sector Utilities Index price)                                                
CFTC Code #13874J                                                    Open Interest is    18,940
Positions
     6,070      9,827          0      8,477      6,314        532      1,444          0          0          0        890          0      2,417      1,377
 
Changes from:       December 24, 2018                                Total Change is:     1,984
     2,630       -640          0       -404      2,420          0       -231          0          0          0          0          0        -11        204
 
Percent of Open Interest Represented by Each Category of Trader
      32.0       51.9        0.0       44.8       33.3        2.8        7.6        0.0        0.0        0.0        4.7        0.0       12.8        7.3
 
Number of Traders in Each Category                                    Total Traders:        25 
         4          8          0          7          .          .          .          0          0          0          .          0
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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E-MINI S&P 400 STOCK INDEX - CHICAGO MERCANTILE EXCHANGE   (S&P 400 INDEX X $100)                                                                          
CFTC Code #33874A                                                    Open Interest is    69,805
Positions
    16,261      9,274      3,120     33,282     43,975      3,384      3,574      2,123        553          0      2,454          0      9,631      4,922
 
Changes from:       December 24, 2018                                Total Change is:       -99
     1,131     -1,689        169       -661     -1,373       -495     -1,074        556        105          0      1,837          0        726        791
 
Percent of Open Interest Represented by Each Category of Trader
      23.3       13.3        4.5       47.7       63.0        4.8        5.1        3.0        0.8        0.0        3.5        0.0       13.8        7.1
 
Number of Traders in Each Category                                    Total Traders:        74 
        10          5          .         28         19         16          6          .          .          0          .          0
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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NASDAQ-100 Consolidated - CHICAGO MERCANTILE EXCHANGE   (NASDAQ 100 INDEX X $100)                                                                          
CFTC Code #20974+                                                    Open Interest is    43,118
Positions
    14,107      7,361        893      9,681     13,903        817      8,707      8,862      1,977        990      2,524         74      5,871      6,707
 
Changes from:       December 24, 2018                                Total Change is:    -1,598
     6,641     -1,578        556       -257       -349       -299     -4,968       -112       -427     -1,160        233         12     -1,697        365
 
Percent of Open Interest Represented by Each Category of Trader
      32.7       17.1        2.1       22.5       32.2        1.9       20.2       20.6        4.6        2.3        5.9        0.2       13.6       15.6
 
Number of Traders in Each Category                                    Total Traders:       246 
        24         18          6         48         43         32         40         45         21          7         20          6
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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NASDAQ-100 STOCK INDEX (MINI) - CHICAGO MERCANTILE EXCHANGE   (NASDAQ 100 STOCK INDEX X $20)                                                               
CFTC Code #209742                                                    Open Interest is   215,588
Positions
    70,537     36,804      4,463     48,406     69,513      4,084     43,533     44,312      9,886      4,950     12,620        371     29,356     33,535
 
Changes from:       December 24, 2018                                Total Change is:    -7,992
    33,204     -7,892      2,781     -1,284     -1,744     -1,493    -24,841       -560     -2,134     -5,799      1,164         61     -8,487      1,826
 
Percent of Open Interest Represented by Each Category of Trader
      32.7       17.1        2.1       22.5       32.2        1.9       20.2       20.6        4.6        2.3        5.9        0.2       13.6       15.6
 
Number of Traders in Each Category                                    Total Traders:       246 
        24         18          6         48         43         32         40         45         21          7         20          6
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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E-MINI RUSSELL 2000 INDEX - CHICAGO MERCANTILE EXCHANGE   (RUSSEL 2000 INDEX X $50)                                                                        
CFTC Code #239742                                                    Open Interest is   473,663
Positions
    76,091     55,728     14,615    200,158    197,594     37,056     93,243    123,958     10,947     22,048     14,676        133     19,371     18,956
 
Changes from:       December 24, 2018                                Total Change is:   -15,926
    -3,560    -10,634      3,923     -3,938       -418        642    -13,734     -1,356     -1,765      4,326       -216       -323     -1,497     -5,779
 
Percent of Open Interest Represented by Each Category of Trader
      16.1       11.8        3.1       42.3       41.7        7.8       19.7       26.2        2.3        4.7        3.1        0.0        4.1        4.0
 
Number of Traders in Each Category                                    Total Traders:       276 
        26         15          6         71         58         46         40         46         26         10         10          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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NIKKEI STOCK AVERAGE - CHICAGO MERCANTILE EXCHANGE   (NIKKEI INDEX X $5.00)                                                                                
CFTC Code #240741                                                    Open Interest is    20,462
Positions
     1,323      3,000        284     11,399      1,886        419        682      9,447          0      1,393      1,891          7      4,955      3,528
 
Changes from:       December 24, 2018                                Total Change is:      -378
        -5          0         10        736         33        -35       -597     -1,228          0          0        300          6       -493        536
 
Percent of Open Interest Represented by Each Category of Trader
       6.5       14.7        1.4       55.7        9.2        2.0        3.3       46.2        0.0        6.8        9.2        0.0       24.2       17.2
 
Number of Traders in Each Category                                    Total Traders:        34 
         .          .          .         13          4          .          .          5          0          .          .          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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NIKKEI STOCK AVERAGE YEN DENOM - CHICAGO MERCANTILE EXCHANGE   (NIKKEI INDEX X JPY 500)                                                                    
CFTC Code #240743                                                    Open Interest is    61,890
Positions
    13,484      6,709      1,883     16,632      4,121      2,341     16,688      5,931        656      2,446      1,519          7      7,753     38,723
 
Changes from:       December 24, 2018                                Total Change is:     1,210
     3,852       -847       -671        -77       -750         33     -1,656     -3,548       -121        690       -388          6       -846      7,496
 
Percent of Open Interest Represented by Each Category of Trader
      21.8       10.8        3.0       26.9        6.7        3.8       27.0        9.6        1.1        4.0        2.5        0.0       12.5       62.6
 
Number of Traders in Each Category                                    Total Traders:        71 
        15          5          .         16          5          8         14         11          5          .          .          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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MSCI EAFE MINI INDEX - ICE FUTURES U.S.   (MSCI EAFE INDEX X $50)                                                                                          
CFTC Code #244041                                                    Open Interest is   307,877
Positions
    35,051    165,577      2,252    224,422     93,165     17,169     15,715     20,501        200      6,110      2,614          0      6,958      6,399
 
Changes from:       December 24, 2018                                Total Change is:    11,336
     1,010        612      1,505      3,379     -4,239      3,527       -997     10,661       -439      3,852        159          0       -501       -450
 
Percent of Open Interest Represented by Each Category of Trader
      11.4       53.8        0.7       72.9       30.3        5.6        5.1        6.7        0.1        2.0        0.8        0.0        2.3        2.1
 
Number of Traders in Each Category                                    Total Traders:       166 
        11         12          4         60         38         25         16         18          4          5          6          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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MSCI EMERGING MKTS MINI INDEX - ICE FUTURES U.S.   (MSCI Emerging Markets Index x $50)                                                                     
CFTC Code #244042                                                    Open Interest is 1,217,296
Positions
    86,667    749,102      5,728    878,347    289,870    107,775     84,291     33,185      3,245     23,319     13,949        391     27,533     14,051
 
Changes from:       December 24, 2018                                Total Change is:    22,678
     4,954     14,591         79     25,258     10,743      2,088      6,041      1,022     -1,037     -1,744       -339         11    -12,972     -4,480
 
Percent of Open Interest Represented by Each Category of Trader
       7.1       61.5        0.5       72.2       23.8        8.9        6.9        2.7        0.3        1.9        1.1        0.0        2.3        1.2
 
Number of Traders in Each Category                                    Total Traders:       413 
        21         20          6        177         67         75         56         31         16         29         12          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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S&P 500 ANNUAL DIVIDEND INDEX - CHICAGO MERCANTILE EXCHANGE   (S&P 500 ANNUAL DIVIDEND INDEX X $250)                                                       
CFTC Code #43874A                                                    Open Interest is    64,598
Positions
    24,059     36,952     26,760      5,433          0        305      6,986          0        478        552          0          0         25        103
 
Changes from:       December 24, 2018                                Total Change is:       923
     2,688      2,726     -1,823          0          0          0         58          0          0          0          0          0          0         20
 
Percent of Open Interest Represented by Each Category of Trader
      37.2       57.2       41.4        8.4        0.0        0.5       10.8        0.0        0.7        0.9        0.0        0.0        0.0        0.2
 
Number of Traders in Each Category                                    Total Traders:        29 
         4         13          8          7          0          .          .          0          .          .          0          0
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE   (CONTRACTS OF $100,000 FACE VALUE)                                                                          
CFTC Code #020601                                                    Open Interest is 1,137,410
Positions
     9,080    108,223     28,867    469,006    308,869    235,994     41,162     70,247    140,204     28,147     51,129     19,881    165,069    173,996
 
Changes from:       December 24, 2018                                Total Change is:     7,954
      -676     -1,282        814     -5,382     -6,652      2,172     -2,742      5,330      8,373        217      3,464     -1,575      6,753     -2,691
 
Percent of Open Interest Represented by Each Category of Trader
       0.8        9.5        2.5       41.2       27.2       20.7        3.6        6.2       12.3        2.5        4.5        1.7       14.5       15.3
 
Number of Traders in Each Category                                    Total Traders:       189 
         8         18         16         54         32         51         25         28         42          8         16         12
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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ULTRA U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE   (CONTRACTS OF $100,000 FACE VALUE)                                                                    
CFTC Code #020604                                                    Open Interest is 1,091,244
Positions
    13,312    243,600      1,702    659,193     54,352    172,526     28,752    511,416      7,963     49,963      5,460        533    157,300     93,692
 
Changes from:       December 24, 2018                                Total Change is:     4,310
     1,812      5,001        347    -12,322       -818     -2,231      2,975      8,392      3,349      4,179     -3,324          1      6,200     -6,407
 
Percent of Open Interest Represented by Each Category of Trader
       1.2       22.3        0.2       60.4        5.0       15.8        2.6       46.9        0.7        4.6        0.5        0.0       14.4        8.6
 
Number of Traders in Each Category                                    Total Traders:       132 
         4         14          5         56         14         47         11         26         14          5          .          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE   (CONTRACTS OF $200,000 FACE VALUE)                                                                   
CFTC Code #042601                                                    Open Interest is 2,791,536
Positions
    75,244    304,017     14,096  1,133,550    292,528    305,175    519,220  1,265,799    107,555    448,494    333,613     30,023    158,179    138,731
 
Changes from:       December 24, 2018                                Total Change is:    62,687
   -15,934     28,714        632    -24,666    -17,384     19,154     42,143     16,405     16,142     19,814      9,927      1,872      3,529    -12,775
 
Percent of Open Interest Represented by Each Category of Trader
       2.7       10.9        0.5       40.6       10.5       10.9       18.6       45.3        3.9       16.1       12.0        1.1        5.7        5.0
 
Number of Traders in Each Category                                    Total Traders:       341 
        13         34          8         96         35         68         52         59         38         23         29          9
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE   (CONTRACTS OF $100,000 FACE VALUE)                                                                  
CFTC Code #043602                                                    Open Interest is 4,902,587
Positions
   139,771    420,292    186,182  2,054,907    809,310    739,624    378,349  1,193,781    584,567    276,579    413,624     98,539    444,069    456,667
 
Changes from:       December 24, 2018                                Total Change is:   204,711
    -8,786     38,532     22,898     73,251     -1,018    -13,704     33,704    -10,065     53,300     34,773     93,844     26,666    -17,391     -5,741
 
Percent of Open Interest Represented by Each Category of Trader
       2.9        8.6        3.8       41.9       16.5       15.1        7.7       24.4       11.9        5.6        8.4        2.0        9.1        9.3
 
Number of Traders in Each Category                                    Total Traders:       439 
        22         42         39        125         63        121         61         77         85         19         30         20
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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ULTRA 10-YEAR U.S. T-NOTES - CHICAGO BOARD OF TRADE   (CONTRACTS OF $100,000 FACE VALUE)                                                                   
CFTC Code #043607                                                    Open Interest is   711,435
Positions
    17,860    129,123      2,515    257,568    206,542     87,037    157,924     91,055      3,925     61,061     37,786      2,400    121,145    151,052
 
Changes from:       December 24, 2018                                Total Change is:    14,292
       964      9,575        411      6,125     -1,328      4,786     -1,878      8,133          0      4,621       -379       -421       -316     -6,485
 
Percent of Open Interest Represented by Each Category of Trader
       2.5       18.1        0.4       36.2       29.0       12.2       22.2       12.8        0.6        8.6        5.3        0.3       17.0       21.2
 
Number of Traders in Each Category                                    Total Traders:       109 
         .         11          .         28         31         38         13         12          5          4          7          .
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE   (CONTRACTS OF $100,000 FACE VALUE)                                                                   
CFTC Code #044601                                                    Open Interest is 5,036,733
Positions
   113,046    508,405     89,658  2,631,828    461,083    763,410    508,914  1,932,752    295,148    275,609    576,645     32,067    327,054    377,565
 
Changes from:       December 24, 2018                                Total Change is:   138,864
    39,476    -28,388     14,715     -1,116     -4,377     25,450     43,515    130,671    -10,480     21,551     -6,389     14,321     -8,568      3,340
 
Percent of Open Interest Represented by Each Category of Trader
       2.2       10.1        1.8       52.3        9.2       15.2       10.1       38.4        5.9        5.5       11.4        0.6        6.5        7.5
 
Number of Traders in Each Category                                    Total Traders:       354 
        15         39         23         94         55         88         43         65         56         14         29         11
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE   (CONTRACTS OF $5,000,000)                                                                                  
CFTC Code #045601                                                    Open Interest is 2,282,760
Positions
   453,357    332,589    670,314     41,911     25,105     95,046    307,411    361,350    451,139    108,385    181,594    106,970     48,226     58,653
 
Changes from:       December 24, 2018                                Total Change is:    27,174
     9,128     19,561      9,132    -10,969      3,151      6,944     25,358     30,671    -29,590     19,472     -8,909      8,612    -10,913    -12,398
 
Percent of Open Interest Represented by Each Category of Trader
      19.9       14.6       29.4        1.8        1.1        4.2       13.5       15.8       19.8        4.7        8.0        4.7        2.1        2.6
 
Number of Traders in Each Category                                    Total Traders:       174 
        22         41         54          5          6          8         24         48         49          8         11         12
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Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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3-MONTH EURODOLLARS - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF $1,000,000)                                                                              
CFTC Code #132741                                                    Open Interest is22,024,434
Positions
 4,029,964  1,365,250  4,288,715    387,695  1,308,528  2,109,318    842,770  1,587,685  8,858,819     74,989    517,960    729,140    703,024  1,259,019
 
Changes from:       December 24, 2018                                Total Change is:   363,369
   -58,546     41,349     76,879     18,610   -197,812    106,049     -5,595     76,857    220,464     22,954     57,559    -15,062     -2,384     -2,915
 
Percent of Open Interest Represented by Each Category of Trader
      18.3        6.2       19.5        1.8        5.9        9.6        3.8        7.2       40.2        0.3        2.4        3.3        3.2        5.7
 
Number of Traders in Each Category                                    Total Traders:       307 
        25         46         67          7         38         45         38         92        113         14         33         29
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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3-MONTH SOFR - CHICAGO MERCANTILE EXCHANGE   ($2,500 x Contract IMM Index)                                                                                 
CFTC Code #134741                                                    Open Interest is    32,138
Positions
     1,539     11,841      2,450          0          0          0     16,957      6,538     10,953         25          0          0        214        356
 
Changes from:       December 24, 2018                                Total Change is:    -2,954
         0         34       -220          0          0          0        163         83     -2,885          0          0          0        -12         34
 
Percent of Open Interest Represented by Each Category of Trader
       4.8       36.8        7.6        0.0        0.0        0.0       52.8       20.3       34.1        0.1        0.0        0.0        0.7        1.1
 
Number of Traders in Each Category                                    Total Traders:        27 
         .          6          5          0          0          0          9         10         15          .          0          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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1-MONTH SOFR - CHICAGO MERCANTILE EXCHANGE   ($4,167 x Contract IMM Index)                                                                                 
CFTC Code #134742                                                    Open Interest is    41,282
Positions
     9,264      7,987      3,948        500          0          0     16,296     17,388      9,220      1,025          0          0      1,029      2,739
 
Changes from:       December 24, 2018                                Total Change is:     3,180
    -1,765      3,980     -1,760          0          0          0      3,233       -846      1,812        800          0          0        860         -6
 
Percent of Open Interest Represented by Each Category of Trader
      22.4       19.3        9.6        1.2        0.0        0.0       39.5       42.1       22.3        2.5        0.0        0.0        2.5        6.6
 
Number of Traders in Each Category                                    Total Traders:        38 
         4          7          6          .          0          0         11         14         18          .          0          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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10 YEAR DELIVERABLE IR - CHICAGO BOARD OF TRADE   (NOTIONAL VALUE OF $100,000)                                                                             
CFTC Code #246605                                                    Open Interest is    27,553
Positions
       350      2,875          0      1,195      8,034         23     11,047     11,853        140     14,775      1,235          0         23      3,393
 
Changes from:       December 24, 2018                                Total Change is:       283
         2       -257          0          6          0          0       -109        399          0        375          0          0          9        141
 
Percent of Open Interest Represented by Each Category of Trader
       1.3       10.4        0.0        4.3       29.2        0.1       40.1       43.0        0.5       53.6        4.5        0.0        0.1       12.3
 
Number of Traders in Each Category                                    Total Traders:        35 
         .          .          0          .         11          .          .          9          .          .          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
-----------------------------------------------------------------------------------------------------------------------------------------------------------
5 YEAR DELIVERABLE IR - CHICAGO BOARD OF TRADE   (NOTIONAL VALUE OF $100,000)                                                                              
CFTC Code #246606                                                    Open Interest is    15,646
Positions
     4,127      2,199          0        517      2,427         12     10,975      8,759          0          0        407          0         15      1,842
 
Changes from:       December 24, 2018                                Total Change is:     1,821
       472        -23          0          0          0          0      1,360      1,917          0          0          0          0        -11        -73
 
Percent of Open Interest Represented by Each Category of Trader
      26.4       14.1        0.0        3.3       15.5        0.1       70.1       56.0        0.0        0.0        2.6        0.0        0.1       11.8
 
Number of Traders in Each Category                                    Total Traders:        27 
         .          .          0          .          8          .          .          8          0          0          .          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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BITCOIN-USD - CBOE FUTURES EXCHANGE   (1 Bitcoin)                                                                                                          
CFTC Code #1330E1                                                    Open Interest is     4,088
Positions
        55          0          0          0          0          0        661      2,284        200      1,295      1,176          0      1,877        428
 
Changes from:       December 24, 2018                                Total Change is:       274
         0          0          0          0          0          0        104        239        -22         99         52          0         93          5
 
Percent of Open Interest Represented by Each Category of Trader
       1.3        0.0        0.0        0.0        0.0        0.0       16.2       55.9        4.9       31.7       28.8        0.0       45.9       10.5
 
Number of Traders in Each Category                                    Total Traders:        41 
         .          0          0          0          0          0          7         12          .         16          5          0
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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BITCOIN - CHICAGO MERCANTILE EXCHANGE   (5 Bitcoins)                                                                                                       
CFTC Code #133741                                                    Open Interest is     3,708
Positions
        49          0          1         80        140          0      2,452      2,389        222        105        674          4        795        278
 
Changes from:       December 24, 2018                                Total Change is:      -149
        49          0          1        -21          0          0       -238       -188         49        -55          1         -9         75         -3
 
Percent of Open Interest Represented by Each Category of Trader
       1.3        0.0        0.0        2.2        3.8        0.0       66.1       64.4        6.0        2.8       18.2        0.1       21.4        7.5
 
Number of Traders in Each Category                                    Total Traders:        41 
         .          0          .          .          .          0         15         14          4          .          5          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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U.S. DOLLAR INDEX - ICE FUTURES U.S.   (U.S. DOLLAR INDEX X $1000)                                                                                         
CFTC Code #098662                                                    Open Interest is    52,723
Positions
       534     38,639          0     19,507      1,032        373     23,971      7,289      1,359      2,625      1,651         44      4,311      2,337
 
Changes from:       December 24, 2018                                Total Change is:     2,448
        32          0          0     -1,334        286        -21      3,362      1,668        378         82        -14         -3        -49        154
 
Percent of Open Interest Represented by Each Category of Trader
       1.0       73.3        0.0       37.0        2.0        0.7       45.5       13.8        2.6        5.0        3.1        0.1        8.2        4.4
 
Number of Traders in Each Category                                    Total Traders:       100 
         .          .          0         13          5          .         31         14         11         25          9          .
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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VIX FUTURES - CBOE FUTURES EXCHANGE   ($1000 X INDEX)                                                                                                      
CFTC Code #1170E1                                                    Open Interest is   369,483
Positions
    14,538     73,967     15,393     89,094     22,511     14,967     81,869     97,911     92,923     12,060      7,839     16,635     32,004     27,337
 
Changes from:       December 24, 2018                                Total Change is:   -18,755
    -8,459      8,516     -2,729      3,605     -1,179        219      7,082        325    -20,587      2,828        914     -2,618      1,904     -1,616
 
Percent of Open Interest Represented by Each Category of Trader
       3.9       20.0        4.2       24.1        6.1        4.1       22.2       26.5       25.1        3.3        2.1        4.5        8.7        7.4
 
Number of Traders in Each Category                                    Total Traders:       197 
         7         16         15         30         20         17         42         40         53         12         13         18
-----------------------------------------------------------------------------------------------------------------------------------------------------------
Traders in Financial Futures - Options and Futures Combined Positions as of December 31, 2018                                                              
-----------------------------------------------------------------------------------------------------------------------------------------------------------
              Dealer            :           Asset Manager/       :            Leveraged           :              Other             :     Nonreportable    :
           Intermediary         :           Institutional        :              Funds             :           Reportables          :       Positions      :
    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short  : Spreading:    Long  :   Short   :
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BLOOMBERG COMMODITY INDEX - CHICAGO BOARD OF TRADE   ($100 X INDEX)                                                                                        
CFTC Code #221602                                                    Open Interest is    32,552
Positions
       370        774      1,168     14,181     17,713        194     15,084     12,352         97      1,255        179          0        203         75
 
Changes from:       December 24, 2018                                Total Change is:     2,436
    -3,385         69          0         25      3,747         12      5,799     -1,429          0         -1          6          0        -14         31
 
Percent of Open Interest Represented by Each Category of Trader
       1.1        2.4        3.6       43.6       54.4        0.6       46.3       37.9        0.3        3.9        0.5        0.0        0.6        0.2
 
Number of Traders in Each Category                                    Total Traders:        43 
         .          .          .         11          4          .          5          8          .          9          .          0
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Updated February 5, 2019