VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders - Futures Only, March 29, 2005                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :    10,297:     7,388        905        617        299      7,817      8,304      9,339:     1,993        958
Old  :    10,297:     7,388        905        617        299      7,817      8,304      9,339:     1,993        958
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 22, 2005                       :
     :      -302:       695        138       -375       -165       -221        155       -458:      -457        156
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      71.7        8.8        6.0        2.9       75.9       80.6       90.7:      19.4        9.3
Old  :     100.0:      71.7        8.8        6.0        2.9       75.9       80.6       90.7:      19.4        9.3
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  :        41:        24          5          9          4          5         35         16:
Old  :        41:        24          5          9          4          5         35         16:
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  :                 42.3       78.2       59.4       87.6       42.3       78.1       59.4       84.3
Old  :                 42.3       78.2       59.4       87.6       42.3       78.1       59.4       84.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 

 

Updated April 1, 2005