Notice to Members 2018-22

Date: May 21, 2018
Re: Memorial Day Holiday Trading Hours

OneChicago, LLC (“OneChicago”) will be closed on Monday, May 28, 2018 in observance of the upcoming Memorial Day Holiday, which is consistent with U.S. equity markets. OneChicago will be open on Tuesday, May 29, 2018.

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If you have any questions, please contact OneChicago Operations at (312) 883-4311 or