Amendments to Certain Options on Standard and Poor's 500 Stock Price Index Futures Contracts to Align with Unscheduled Primary Listing Exchange Holidays

Effective Sunday, November 4, 2018 for trade date Monday, November 5, 2018, and pending all relevant CFTC regulatory review periods, Chicago Mercantile Exchange Inc. (“CME” or “Exchange”) will amend the Termination of Trading rules for the Standard and Poor’s options contracts that expire on Monday as noted in the table below (collectively, the “Contracts”) to align the Contracts’ trading schedules with unscheduled market holidays declared by the Primary Listing Exchanges[1] (collectively, the “Rule Amendments”).

[1] A Primary Listing Exchange shall be as defined in the “Plan to Address Extraordinary Market Volatility Submitted to the Securities and Exchange Commission Pursuant to Rule 608 of Regulation NMS Under the Securities Exchange Act of 1934” approved 31 May 2012 by the U.S. Securities and Exchange Commission (“SEC”), as amended from time to time (SEC, SRO Rulemaking, National Market System Plans, File 4-631).

Please refer questions regarding to:                                                                    

Tom Boggs                thomas.boggs@cmegroup.com             312.930.3038

John Wiesner            john.wiesner@cmegroup.com                312.930.3066

Frederick Sturm         frederick.sturm@cmegroup.com            312.930.1282

Please click here for PDF of SER-8257.