VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders - Futures Only, July 12, 2005                   
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     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :    12,854:     6,470      2,430        562      2,363      8,760      9,395     11,752:     3,459      1,102
Old  :    12,854:     6,470      2,430        562      2,363      8,760      9,395     11,752:     3,459      1,102
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 5, 2005                         :
     :       459:       254        228         19        112        -69        385        178:        74        281
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      50.3       18.9        4.4       18.4       68.1       73.1       91.4:      26.9        8.6
Old  :     100.0:      50.3       18.9        4.4       18.4       68.1       73.1       91.4:      26.9        8.6
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  :        40:        22          2         10          6          6         37         17:
Old  :        40:        22          2         10          6          6         37         17:
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  :                 46.5       82.2       58.7       88.4       46.5       75.6       54.4       80.6
Old  :                 46.5       82.2       58.7       88.4       46.5       75.6       54.4       80.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated July 15, 2005