VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/04/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       38,410
COMMITMENTS
   6,090    3,968    5,758   18,224   23,798   30,072   33,524    8,338    4,886

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:      2,143)
     853      528     -449    1,423    1,745    1,827    1,824      316      319

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.9     10.3     15.0     47.4     62.0     78.3     87.3     21.7     12.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       9        8        8        9        7       24       17
 

Updated August 7, 2009