Notice to Members 2018-20

Date: May 9, 2018
Re: New Market Data License Agreement Extension
Effective Date: June 1, 2018

OneChicago, LLC (“OneChicago”) is issuing this Notice to Members (“NTM”) 2018-20 to inform market participants that there will be an extension for Market Data customers described in NTM 2018-8 New Market Data License Agreement. New Market Data License Agreements must now be signed by customers by June 1, 2018. Please note the following key dates:

  • June 1, 2018 – Any Market Data License Agreements executed prior to February 12th, 2018 are terminated. In addition, the new Market Data Fee Schedule becomes effective.
  • June 30, 2018 – Customers provide their first Unit of Count reports as defined in the Market Data Policies
  • July 2, 2018 – Customers receive invoices reflecting the new Market Data Fee Schedule.

To access market data or any of the documents referenced above navigate to the Market Data page. Any questions regarding the extension should be directed to OneChicago Market Data at (312) 883-3411 or email at

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