SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 12/11/07 | --------------------------------------------------------------| 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: 23,955 COMMITMENTS 8,413 5,534 3,096 11,939 15,123 23,448 23,754 507 201 CHANGES FROM 12/04/07 (CHANGE IN OPEN INTEREST: 214) 878 -720 507 -1,663 274 -279 61 493 153 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 35.1 23.1 12.9 49.8 63.1 97.9 99.2 2.1 0.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 35) 11 12 14 11 12 28 32
Updated December 14, 2007