VIX FUTURES - CBOE FUTURES EXCHANGE Code-1170E1 Commitments of Traders with Delta-adjusted Options and Futures Combined, December 18, 2007 ------------------------------------------------------------------------------------------------------------------- : Total : Reportable Positions : Nonreportable :---------------------------------------------------------------------------------------- Positions : Open : Non-Commercial : Commercial : Total : : Interest : Long : Short : Spreading: Long : Short : Long : Short : Long : Short ------------------------------------------------------------------------------------------------------------------- : : ($1000 X INDEX) : : : : All : 65,878: 5,955 20,293 5,696 45,181 32,374 56,832 58,363: 9,046 7,515 Old : 65,878: 5,955 20,293 5,696 45,181 32,374 56,832 58,363: 9,046 7,515 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: December 11, 2007 : : 3,828: -15 2,275 628 3,389 995 4,002 3,898: -174 -70 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 9.0 30.8 8.6 68.6 49.1 86.3 88.6: 13.7 11.4 Old : 100.0: 9.0 30.8 8.6 68.6 49.1 86.3 88.6: 13.7 11.4 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 : 30: 6 12 11 10 6 27 20: Old : 30: 6 12 11 10 6 27 20: 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 : 72.3 69.2 79.4 83.0 50.6 49.2 53.3 55.4 Old : 72.3 69.2 79.4 83.0 50.6 49.2 53.3 55.4 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated December 21, 2007