VIX FUTURES - CBOE FUTURES EXCHANGE Code-1170E1 OPTION AND FUTURES COMBINED POSITIONS AS OF 07/29/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- ($1000 X INDEX) OPEN INTEREST: 43,562 COMMITMENTS 7,490 10,563 6,497 22,659 22,564 36,646 39,624 6,916 3,938 CHANGES FROM 07/22/08 (CHANGE IN OPEN INTEREST: 2,789) -587 -983 1,513 857 2,515 1,783 3,045 1,006 -256 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 17.2 24.2 14.9 52.0 51.8 84.1 91.0 15.9 9.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 8 8 8 9 6 22 17
Updated August 1, 2008