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Effective Trade Date Monday, June 15, 2026, CME Clearing will update the Exercise & Assignment (E/A) processing times and deadlines for Expiring AM NYMEX Options as well as Early Exercised NYMEX/COMEX options. The processing time for Expiring AM NYMEX Options will move up 15 minutes to 14:15 GMT (8:15am CT) and reports are expected to be available by 14:35 GMT (8:35am CT). Option Assignment processing for Early NYMEX/COMEX Options Exercises will be moved to align with the times for CME/CBT Options. As part of this change the Allocation Deadline for NYMEX/COMEX for all Futures and Options will move up to 5:30pm CT. Option Assignment will occur at 5:45pm CT and Exercise & Assignment Reports are expected to be available by 6:15pm CT.

Please click the link below for the full text of this advisory.

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

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