VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 22, 2005               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :     8,387:     5,608        403        313        260      6,437      6,181      7,153:     2,206      1,234
Old  :     8,387:     5,608        403        313        260      6,437      6,181      7,153:     2,206      1,234
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 15, 2005                    :
     :    -3,469:       -58        113         35     -1,791     -2,311     -1,814     -2,163:    -1,655     -1,306
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      66.9        4.8        3.7        3.1       76.7       73.7       85.3:      26.3       14.7
Old  :     100.0:      66.9        4.8        3.7        3.1       76.7       73.7       85.3:      26.3       14.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:        17          3          4          2          3         22          8:
Old  :        26:        17          3          4          2          3         22          8:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 49.4       80.9       62.4       85.3       49.4       80.8       61.9       81.6
Old  :                 49.4       80.9       62.4       85.3       49.4       80.8       61.9       81.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 25, 2005