Notice to Members 2018-28

Date: August 1, 2018
Re: Maintenance to UAT
Date: August 2, 2018

OneChicago, LLC (“OneChicago”) is issuing this Notice to Members (“NTM”) 2018-28 to inform market participants that OneChicago will be performing updates and routine maintenance on our user acceptance testing (“UAT”) environment on Thursday, August 2, 2018 from 1000 CT to 1300 CT.  UAT services at this environment will be temporarily unavailable during this time and will resume at 1300 CT.

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