SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/29/08 | --------------------------------------------------------------| 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: 38,670 COMMITMENTS 10,662 3,287 4,467 22,954 30,298 38,082 38,052 588 619 CHANGES FROM 04/22/08 (CHANGE IN OPEN INTEREST: 922) 431 655 -300 319 120 450 475 472 448 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 27.6 8.5 11.6 59.4 78.4 98.5 98.4 1.5 1.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 10 9 13 14 14 31 29
Updated May 2, 2008