VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       36,267
COMMITMENTS
   5,237    3,440    6,207   16,801   22,053   28,245   31,700    8,022    4,567

CHANGES FROM 07/21/09 (CHANGE IN OPEN INTEREST:     -2,172)
  -1,829      228    1,048     -499   -3,933   -1,280   -2,657     -892      485

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.4      9.5     17.1     46.3     60.8     77.9     87.4     22.1     12.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       8        6        6        8        7       21       14
 

Updated July 31, 2009