Date: February 1, 2018
Re: CHANGE TO ONE CHICAGO (OCX) OFRA FILE
Effective Date: February 12, 2018
OneChicago, LLC (“OneChicago”) is issuing this Notice to Members (“NTM”) 2018-5 to inform market participants that beginning with the OFRA files produced on the evening of Monday February 12, OCC will modify the OneChicago OFRA (SPAN Parameter) file to include the expiration day for the exchange’s Friday Futures and Weekly Futures products.
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