VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 2, 2006                     
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     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
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     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :    27,618:     6,737      6,965        596     17,997     17,816     25,330     25,377:     2,288      2,241
Old  :    27,618:     6,737      6,965        596     17,997     17,816     25,330     25,377:     2,288      2,241
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 25, 2006                       :
     :       695:       638        350         35       -169         17        504        402:       191        293
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      24.4       25.2        2.2       65.2       64.5       91.7       91.9:       8.3        8.1
Old  :     100.0:      24.4       25.2        2.2       65.2       64.5       91.7       91.9:       8.3        8.1
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  :        51:        22         10         16          8          4         45         24:
Old  :        51:        22         10         16          8          4         45         24:
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  :                 67.4       78.7       80.8       89.0       55.6       56.7       60.6       67.0
Old  :                 67.4       78.7       80.8       89.0       55.6       56.7       60.6       67.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated May 5, 2006