VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/11/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       40,955
COMMITMENTS
   6,634    5,124    4,706   20,980   25,958   32,320   35,788    8,635    5,167

CHANGES FROM 08/04/09 (CHANGE IN OPEN INTEREST:      2,545)
     544    1,156   -1,052    2,756    2,160    2,248    2,264      297      281

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.2     12.5     11.5     51.2     63.4     78.9     87.4     21.1     12.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       9        8        9       10        7       26       18
 

Updated August 14, 2009