Notice to Members 2018-9

Date: February 13, 2018
Re: Presidents’ Day Holiday Trading Hours

OneChicago, LLC (“OneChicago”) will be closed on Monday, February 19, 2018 in observance of the upcoming Presidents’ Day Holiday, which is consistent with U.S. equity markets. OneChicago will be open on Tuesday, February 20, 2018.

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If you have any questions, please contact The Options Clearing Corporation at 800-621-6072 or