SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      179,254
COMMITMENTS
  42,636   10,938   54,112   44,969   99,131  141,716  164,180   37,538   15,074

CHANGES FROM 11/20/07 (CHANGE IN OPEN INTEREST:    -14,466)
  -1,123     -823   -7,711   -4,381   -7,207  -13,215  -15,741   -1,251    1,275

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.8      6.1     30.2     25.1     55.3     79.1     91.6     20.9      8.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      168)
      89       34       56       31       35      144      104
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       74,073
COMMITMENTS
   9,605   17,501    6,311   47,176   33,387   63,092   57,199   10,981   16,875

CHANGES FROM 11/20/07 (CHANGE IN OPEN INTEREST:     -4,299)
  -1,878     -493     -498   -1,439   -5,569   -3,814   -6,560     -484    2,261

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.0     23.6      8.5     63.7     45.1     85.2     77.2     14.8     22.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      126)
      22       49       28       40       33       83       96
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      623,013
COMMITMENTS
 209,969   21,585  173,551  171,358  393,192  554,877  588,328   68,136   34,685

CHANGES FROM 11/20/07 (CHANGE IN OPEN INTEREST:    -50,436)
     408    3,575  -48,033   -5,128  -14,957  -52,753  -59,414    2,317    8,979

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.7      3.5     27.9     27.5     63.1     89.1     94.4     10.9      5.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      289)
     174       49       92       45       51      257      161
 

Updated November 30, 2007