VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/07/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       50,194
COMMITMENTS
   6,689   20,538   10,351   26,153    7,771   43,193   38,660    7,001   11,534

CHANGES FROM 09/30/08 (CHANGE IN OPEN INTEREST:      3,267)
   1,211    2,795    1,475      833   -1,396    3,519    2,874     -252      393

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.3     40.9     20.6     52.1     15.5     86.1     77.0     13.9     23.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       7       15       15        6        6       24       25
 

Updated October 10, 2008