VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, October 10, 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  :    57,977:     4,668     10,968      1,440     41,810     40,072     47,918     52,480:    10,059      5,497
Old  :    57,977:     4,668     10,968      1,440     41,810     40,072     47,918     52,480:    10,059      5,497
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: October 3, 2006                      :
     :     2,048:       308        391        650       -947       -123         11        918:     2,037      1,130
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.1       18.9        2.5       72.1       69.1       82.7       90.5:      17.3        9.5
Old  :     100.0:       8.1       18.9        2.5       72.1       69.1       82.7       90.5:      17.3        9.5
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  :        26:         8          7          2         10          5         20         13:
Old  :        26:         8          7          2         10          5         20         13:
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  :                 66.3       77.1       74.3       87.8       60.6       66.9       66.2       76.2
Old  :                 66.3       77.1       74.3       87.8       60.6       66.9       66.2       76.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated October 13, 2006