VIX FUTURES - CBOE FUTURES EXCHANGE Code-1170E1 OPTION AND FUTURES COMBINED POSITIONS AS OF 09/18/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- ($1000 X INDEX) OPEN INTEREST: 71,878 COMMITMENTS 8,412 9,073 13,060 40,404 39,525 61,876 61,658 10,002 10,220 CHANGES FROM 09/11/07 (CHANGE IN OPEN INTEREST: 2,244) -25 -526 855 -1,141 -809 -311 -480 2,555 2,724 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 11.7 12.6 18.2 56.2 55.0 86.1 85.8 13.9 14.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 39) 11 13 11 11 10 30 29
Updated September 21, 2007