VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 29, 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  :    53,865:    10,122     24,396      3,998     30,021     22,020     44,141     50,414:     9,724      3,451
Old  :    53,865:    10,122     24,396      3,998     30,021     22,020     44,141     50,414:     9,724      3,451
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 22, 2008                       :
     :     5,930:     1,191         90      1,239      2,974      4,111      5,404      5,440:       526        490
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.8       45.3        7.4       55.7       40.9       81.9       93.6:      18.1        6.4
Old  :     100.0:      18.8       45.3        7.4       55.7       40.9       81.9       93.6:      18.1        6.4
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  :        32:        13          9          9         10          5         28         18:
Old  :        32:        13          9          9         10          5         28         18:
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  :                 48.6       65.7       62.4       87.4       31.6       44.1       39.6       57.3
Old  :                 48.6       65.7       62.4       87.4       31.6       44.1       39.6       57.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated May 2, 2008