SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/31/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      191,024
COMMITMENTS
  42,392    7,730   65,474   47,839  105,712  155,705  178,917   35,318   12,107

CHANGES FROM 12/24/07 (CHANGE IN OPEN INTEREST:      3,108)
   2,954     -793    1,640   -2,321    1,750    2,273    2,596      835      511

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.2      4.0     34.3     25.0     55.3     81.5     93.7     18.5      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      163)
      83       32       57       34       35      142      102
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/31/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       72,384
COMMITMENTS
   9,302   16,577    9,264   44,779   35,014   63,345   60,855    9,039   11,529

CHANGES FROM 12/24/07 (CHANGE IN OPEN INTEREST:        352)
     808       10    2,776      143    1,250    3,726    4,036   -3,374   -3,683

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.9     22.9     12.8     61.9     48.4     87.5     84.1     12.5     15.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      139)
      27       60       28       36       29       85       99
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/31/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      671,656
COMMITMENTS
 231,754   19,943  208,710  164,770  419,028  605,234  647,681   66,422   23,975

CHANGES FROM 12/24/07 (CHANGE IN OPEN INTEREST:     35,476)
  17,753    3,245    7,016    5,608   22,266   30,377   32,528    5,099    2,948

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.5      3.0     31.1     24.5     62.4     90.1     96.4      9.9      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      315)
     187       63      100       35       49      269      172
 

Updated January 4, 2008