SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      193,720
COMMITMENTS
  43,759   11,761   61,822   49,350  106,338  154,932  179,921   38,788   13,799

CHANGES FROM 11/13/07 (CHANGE IN OPEN INTEREST:       -903)
  -1,925       71     -264    3,341    1,368    1,152    1,175   -2,055   -2,078

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.6      6.1     31.9     25.5     54.9     80.0     92.9     20.0      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      180)
      96       39       65       33       38      159      115
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       78,372
COMMITMENTS
  11,483   17,994    6,809   48,615   38,956   66,907   63,758   11,465   14,614

CHANGES FROM 11/13/07 (CHANGE IN OPEN INTEREST:       -563)
    -735     -569   -1,436    1,453      311     -718   -1,695      155    1,131

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.7     23.0      8.7     62.0     49.7     85.4     81.4     14.6     18.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      133)
      29       44       30       43       36       94       97
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      673,449
COMMITMENTS
 209,561   18,010  221,584  176,486  408,149  607,630  647,742   65,819   25,707

CHANGES FROM 11/13/07 (CHANGE IN OPEN INTEREST:    -42,703)
 -17,422      310  -21,171    1,137  -13,549  -37,455  -34,410   -5,247   -8,292

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.1      2.7     32.9     26.2     60.6     90.2     96.2      9.8      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      322)
     188       68      123       50       52      294      191
 

Updated November 26, 2007