VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 12/13/05                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:        8,732
COMMITMENTS
   4,386    3,601      412    2,501    3,841    7,299    7,854    1,433      878

CHANGES FROM 12/06/05 (CHANGE IN OPEN INTEREST:        304)
      30      128       19      -24      -56       25       91      279      213

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    50.2     41.2      4.7     28.6     44.0     83.6     89.9     16.4     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      15        5       12        4        3       30       18
 

Updated December 16, 2005