SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/20/08 | --------------------------------------------------------------| 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: 40,844 COMMITMENTS 10,575 3,012 3,833 26,176 33,770 40,584 40,615 260 229 CHANGES FROM 05/13/08 (CHANGE IN OPEN INTEREST: -673) -990 -2,248 1,220 -994 235 -765 -793 92 120 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 25.9 7.4 9.4 64.1 82.7 99.4 99.4 0.6 0.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 36) 15 7 15 14 14 35 30
Updated May 23, 2008