SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 09/11/07 | --------------------------------------------------------------| 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: 22,856 COMMITMENTS 3,568 2,563 2,479 16,744 17,750 22,790 22,792 66 65 CHANGES FROM 09/04/07 (CHANGE IN OPEN INTEREST: 2,791) 219 427 147 2,433 2,227 2,799 2,801 -8 -11 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.6 11.2 10.8 73.3 77.7 99.7 99.7 0.3 0.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 10 11 11 12 12 27 29
Updated September 14, 2007