VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders - Futures Only, June 21, 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  :    11,509:     6,257      1,744        786      1,840      8,530      8,883     11,060:     2,626        449
Old  :    11,509:     6,257      1,744        786      1,840      8,530      8,883     11,060:     2,626        449
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 14, 2005                        :
     :    -1,643:      -273        166        212       -563     -1,620       -624     -1,242:    -1,019       -401
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      54.4       15.2        6.8       16.0       74.1       77.2       96.1:      22.8        3.9
Old  :     100.0:      54.4       15.2        6.8       16.0       74.1       77.2       96.1:      22.8        3.9
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  :        39:        22          2         10          5          6         36         17:
Old  :        39:        22          2         10          5          6         36         17:
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  :                 47.2       84.1       60.8       92.6       47.2       79.8       56.1       83.7
Old  :                 47.2       84.1       60.8       92.6       47.2       79.8       56.1       83.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated June 24, 2005