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Alerts and Notices Trader Alerts

Trader Alert 23-62: Next MEMX Options symbol rollout date is Thursday, December 21, 2023

Thursday, December 21, 2023 2 additional underliers NVDA, TSLA 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 23-366 to 23-368: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-365: Additional Exchange Products Approved for Trading

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Effective Rule Filings Rule Filings

SR-MEMX-2023-35: Proposed Changes to Short Term Option Series Program

Date Filed: December 15, 2023 Description: Proposed rule change to amend Rule 19.5, Interpretation and Policy .05.  The Exchange proposes to expand the Short Term Option Series Program to permit the listing of two Wednesday expirations for options on United States Oil Fund, LP (“USO”), United States Natural Gas Fund, LP (“UNG”), SPDR Gold Shares […]

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Alerts and Notices Product Notices

 Product Notice 23-363 to 23-364: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-360 to 23-362: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-61: Next MEMX Options symbol rollout date, Tuesday, December 19, 2023

Tuesday, December 19, 2023 1 additional underlier SPY 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 23-355 to 23-359: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-60: MEMX Equities  Released Updated Versions of MEMO FIX, MEMO SBE, and FIX Drop Specifications

On Tuesday, December 12, 2023, MEMX released new versions of its MEMO FIX, MEMO SBE, and FIX Drop Specifications. Version 1.12 can be found here using the “upcoming version” link. Release dates for the MEMX Development Environment (MDE) and Production to follow. Updates are listed below and in the specification Errata included in the download: MEMO FIX v1.12 MEMO SBE v1.12 FIX […]

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Alerts and Notices Trader Alerts

Trader Alert 23-59: MEMX Options Risk Version 1.6 now available in Production

As previously announced here, MEMX Options released version 1.6 of its Risk Specification. This functionality is now available in in the MEMX Options Production Environment. Additional functionality was also added to the Portal to allow Members to upload risk setting data. Members that would like to upgrade to version 1.6 Risk should reach out to Market Ops. Our Market […]