SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/06/08 | --------------------------------------------------------------| 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: 37,800 COMMITMENTS 10,707 4,100 3,058 23,955 30,596 37,720 37,753 80 47 CHANGES FROM 04/29/08 (CHANGE IN OPEN INTEREST: -871) 45 813 -1,409 1,002 297 -362 -299 -508 -572 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 28.3 10.8 8.1 63.4 80.9 99.8 99.9 0.2 0.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 11 8 12 14 14 31 28
Updated May 9, 2008