VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 5, 2008                
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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  :    55,094:     5,378     23,610      2,619     40,500     22,213     48,497     48,442:     6,597      6,652
Old  :    55,094:     5,378     23,610      2,619     40,500     22,213     48,497     48,442:     6,597      6,652
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: January 29, 2008                     :
     :     1,080:      -172        911       -353        110     -1,052       -415       -494:     1,495      1,574
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.8       42.9        4.8       73.5       40.3       88.0       87.9:      12.0       12.1
Old  :     100.0:       9.8       42.9        4.8       73.5       40.3       88.0       87.9:      12.0       12.1
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  :        28:         5         13          7         10          6         22         19:
Old  :        28:         5         13          7         10          6         22         19:
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  :                 73.8       66.0       81.1       78.5       50.5       37.7       53.1       48.3
Old  :                 73.8       66.0       81.1       78.5       50.5       37.7       53.1       48.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 8, 2008