VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 22, 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  :    47,935:     8,931     24,306      2,759     27,047     17,909     38,737     44,974:     9,198      2,961
Old  :    47,935:     8,931     24,306      2,759     27,047     17,909     38,737     44,974:     9,198      2,961
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 15, 2008                       :
     :    -4,705:       117        533       -470     -3,260     -3,856     -3,613     -3,793:    -1,092       -912
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.6       50.7        5.8       56.4       37.4       80.8       93.8:      19.2        6.2
Old  :     100.0:      18.6       50.7        5.8       56.4       37.4       80.8       93.8:      19.2        6.2
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  :        26:         9          8          7          9          5         23         15:
Old  :        26:         9          8          7          9          5         23         15:
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  :                 51.4       66.6       64.0       87.6       35.0       48.0       42.5       59.9
Old  :                 51.4       66.6       64.0       87.6       35.0       48.0       42.5       59.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated April 25, 2008