SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/21/07 | --------------------------------------------------------------| 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: 21,037 COMMITMENTS 4,435 1,716 2,411 13,886 16,650 20,732 20,778 305 259 CHANGES FROM 08/14/07 (CHANGE IN OPEN INTEREST: -369) 692 -206 88 -1,020 -82 -240 -200 -130 -169 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 21.1 8.2 11.5 66.0 79.1 98.5 98.8 1.5 1.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 34) 12 10 11 10 12 25 30
Updated August 24, 2007