VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/23/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       46,664
COMMITMENTS
   5,545    9,895    7,116   26,506   22,990   39,167   40,001    7,497    6,663

CHANGES FROM 09/16/08 (CHANGE IN OPEN INTEREST:    -12,151)
  -3,497    3,758   -3,809   -1,733   -8,529   -9,039   -8,580   -3,112   -3,571

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.9     21.2     15.2     56.8     49.3     83.9     85.7     16.1     14.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       7        8        9        9        6       22       17
 

Updated September 26, 2008