VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 9, 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  :    30,193:     7,158      8,192        546     20,170     19,035     27,874     27,773:     2,319      2,420
Old  :    30,193:     7,158      8,192        546     20,170     19,035     27,874     27,773:     2,319      2,420
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 2, 2006                          :
     :     2,575:       421      1,227        -50      2,173      1,219      2,544      2,396:        31        179
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      23.7       27.1        1.8       66.8       63.0       92.3       92.0:       7.7        8.0
Old  :     100.0:      23.7       27.1        1.8       66.8       63.0       92.3       92.0:       7.7        8.0
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  :        50:        23          9         13          8          5         42         24:
Old  :        50:        23          9         13          8          5         42         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  :                 69.5       76.5       80.6       88.0       50.6       50.9       56.4       62.1
Old  :                 69.5       76.5       80.6       88.0       50.6       50.9       56.4       62.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated May 12, 2006