SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 09/18/07 | --------------------------------------------------------------| 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: 22,915 COMMITMENTS 3,927 2,377 2,917 15,673 17,253 22,516 22,547 398 368 CHANGES FROM 09/11/07 (CHANGE IN OPEN INTEREST: 59) 359 -187 438 -1,071 -497 -274 -245 332 304 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 17.1 10.4 12.7 68.4 75.3 98.3 98.4 1.7 1.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 34) 12 10 11 12 12 27 30
Updated September 21, 2007