VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 11/28/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       37,441
COMMITMENTS
   3,786   11,123       99   25,591   22,280   29,476   33,502    7,965    3,939

CHANGES FROM 11/21/06 (CHANGE IN OPEN INTEREST:      2,674)
       0      -26       99      542    1,586      641    1,659    2,033    1,015

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.1     29.7      0.3     68.4     59.5     78.7     89.5     21.3     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       8        7        1       12        5       21       12
 

Updated December 1, 2006