SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/22/08 | --------------------------------------------------------------| 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: 37,748 COMMITMENTS 10,231 2,632 4,767 22,634 30,178 37,632 37,577 116 171 CHANGES FROM 04/15/08 (CHANGE IN OPEN INTEREST: 2,094) 99 -422 1,166 843 1,325 2,108 2,069 -13 26 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 27.1 7.0 12.6 60.0 79.9 99.7 99.5 0.3 0.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 32) 10 8 12 14 14 31 27
Updated April 25, 2008