This Advisory Notice supersedes CME Group Market Regulation Advisory Notice RA1508-5 issued on June 8, 2015. It is being issued as a result of the upcoming elimination of NYMEX and COMEX Rule 550 (“Post Close Session”) in connection with the December 30, 2016, termination of open outcry trading of NYMEX and COMEX products and the closure of the NYMEX and COMEX trading floor. The text of CME and CBOT Rule 550 appears at the end of this Advisory Notice.
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