VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, September 4, 2007               
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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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     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :    64,514:     7,175      9,687     10,865     39,736     37,409     57,776     57,961:     6,738      6,553
Old  :    64,514:     7,175      9,687     10,865     39,736     37,409     57,776     57,961:     6,738      6,553
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 28, 2007                      :
     :     1,581:     1,424       -311     -1,484        339      1,330        279       -465:     1,302      2,046
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.1       15.0       16.8       61.6       58.0       89.6       89.8:      10.4       10.2
Old  :     100.0:      11.1       15.0       16.8       61.6       58.0       89.6       89.8:      10.4       10.2
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  :        35:        10         12          8         11          9         25         26:
Old  :        35:        10         12          8         11          9         25         26:
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  :                 67.5       56.5       77.1       74.6       50.0       45.6       54.4       53.7
Old  :                 67.5       56.5       77.1       74.6       50.0       45.6       54.4       53.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated September 7, 2007