VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders - Futures Only, June 28, 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  :    12,210:     6,123      2,017        856      2,236      8,636      9,215     11,509:     2,995        701
Old  :    12,210:     6,123      2,017        856      2,236      8,636      9,215     11,509:     2,995        701
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 21, 2005                        :
     :       701:      -134        273         70        396        106        332        449:       369        252
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      50.1       16.5        7.0       18.3       70.7       75.5       94.3:      24.5        5.7
Old  :     100.0:      50.1       16.5        7.0       18.3       70.7       75.5       94.3:      24.5        5.7
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  :        38:        21          2         10          4          6         34         17:
Old  :        38:        21          2         10          4          6         34         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  :                 46.7       82.9       61.3       90.8       46.7       77.5       55.1       81.2
Old  :                 46.7       82.9       61.3       90.8       46.7       77.5       55.1       81.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated July 1, 2005