SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 10/16/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION OPEN INTEREST: 21,884 COMMITMENTS 5,856 2,902 1,359 14,560 17,411 21,774 21,672 110 213 CHANGES FROM 10/09/07 (CHANGE IN OPEN INTEREST: -3,852) 883 -860 -1,558 -3,089 -1,438 -3,763 -3,856 -89 3 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 26.8 13.3 6.2 66.5 79.6 99.5 99.0 0.5 1.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 34) 11 10 14 11 12 29 30
Updated October 19, 2007