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Alerts and Notices Product Notices

Product Notice 22-27 to 22-29: Additional Exchange Products Approved for Trading

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Pending Rule Filings Rule Filings

SR-MEMX-2021-10 Amendment No. 1: Proposal to Establish a Retail Midpoint Liquidity Program

Date Filed: January 27, 2022 Description: Amendment No. 1 to the proposed rule change to adopt Exchange Rule 11.22 to establish a Retail Midpoint Liquidity Program. Amendment No. 1 supersedes the original proposal (SR-MEMX-2021-10) in its entirety.

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Alerts and Notices Product Notices

Product Notice 22-24 to 22-26: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-23: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts

Trader Alert 22-02: New Strict Order Entry Validations Effective Monday, February 28 and UAT testing on Saturday, February 26, 2022

On Monday, February 28, 2022, MEMX plans to make the following updates to order entry validations. These updates are currently available in the MDE test facility and will be available in production during the Saturday, February 26, 2022, UAT. If a request has one or more reserve order tags set then all the required reserve order tags must […]

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Alerts and Notices Product Notices

Product Notice 22-19 to 22-22: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-18: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-17: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-14 to 22-16: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts

Trade Alert 22-01: Holiday Reminder – Closed January 17, 2022

MEMX will be closed Monday, January 17, 2022, in observance of the Martin Luther King, Jr. holiday. Normal trading will resume on Tuesday, January 18, 2022.