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Alerts and Notices Trader Alerts

Trader Alert 24-05: Next MEMX Options symbol rollout date is, January 25, 2024

On Thursday, January 25, 2024, MEMX Options plans on adding the following underliers: Underliers C-D Additional dates and details to follow Our Market Operations and Member Experience teams are here for any of your questions.   MEMX Market Operations    mops@memx.com    1-833-415-6677       MEMX Member Experience    memberx@memx.com    1-833-415-6369 

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Alerts and Notices Product Notices

Product Notice 24-29 to 24-30: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-27 to 24-28: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-25 to 24-26: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-23 to 24-24: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

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

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Alerts and Notices Trader Alerts

Trader Alert 24-04: MEMX Options Version 1.6C MEMO FIX and FIX Drop Will be Available in Production on, Tuesday January 16, 2024

As previously announced here, MEMX Options released version 1.6C of its MEMO FIX and FIX Drop specifications. This update will be available in Production starting Tuesday, January 16, 2024.  **If your Firm currently uses version 1.6 in Production you will receive TrdMatchID (FIX tag 880) on Cancel/Correct messages in MEMO FIX and FIX Drops starting Tuesday, January 16, 2024.** Our Market Operations and Member […]

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Alerts and Notices Product Notices

 Product Notice 24-21: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 2024-09 to 2025-20: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 2024-07 to 2024-08: Additional Exchange Products Approved for Trading