VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/22/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      162,587
COMMITMENTS
  15,556   26,658   34,377   90,503   84,481  140,436  145,516   22,151   17,071

CHANGES FROM 02/15/11 (CHANGE IN OPEN INTEREST:    -16,010)
  -6,392   -4,045   -4,433   -7,672  -12,413  -18,497  -20,891    2,487    4,881

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.6     16.4     21.1     55.7     52.0     86.4     89.5     13.6     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      101)
      30       27       36       27       30       81       81
 

Updated February 25, 2011