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Alerts and Notices Trader Alerts

Trader Alert 21-35: Fee Schedule Update Effective December 1, 2021

Effective Wednesday, December 1, 2021, MEMX will be implementing the following change to transaction fees, subject to filing with the SEC: Adoption of a new Fee Code for Retail Orders with a Time-in-Force instruction of Day, GTT or RHO that remove volume from the MEMX Book upon entry, which will not be charged a fee. Changes […]

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Alerts and Notices Trader Alerts

Trader Alert 21-34: Member testing available on December 4, 2021

On Saturday, December 4, 2021, MEMX is participating in the UTP and CTA failover testing to the secondary data centers as well as Market-Wide Circuit Breaker testing. The trading platform will be available for Member testing. Test Schedule for Saturday, December 4, 2021: Time (Eastern) Trading Status 8:00A  Session Available 8:30A  Pre-Market 9:30A  Market 12:00P  Post-Market 1:00P […]

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Alerts and Notices Trader Alerts

Trader Alert 21-33: Advance Copy of Updated MEMO, MEMOIR, and FIX Drop Specifications for Spring of 2022

In spring of 2022, MEMX plans to release its new Retail Midpoint Liquidity Program (“RMLP”) pending SEC approval. The program details can be found here SR-MEMX-2021-10: Proposal to Establish a Retail Midpoint Liquidity Program. The advance copy of the new specifications can be download here. You will be prompted to choose to download the current […]

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Alerts and Notices Product Notices

Product Notice 21-300: Additional Exchange Products Approved for Trading

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Effective Rule Filings Rule Filings

SR-MEMX-2021-17: Proposal to Make Juneteenth a Holiday of the Exchange

Date Filed: November 22, 2021 Description: Proposal to amend Exchange Rule 11.1 (Hours of Trading and Trading Days) to make Juneteenth National Independence Day a holiday of the Exchange.

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Alerts and Notices Product Notices

Product Notice 21-297 to 21-299: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 21-288 to 21-296: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 21-286 to 21-287: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts

Trader Alert 21-32: Thanksgiving Holiday Schedule

MEMX will be closed Thursday, November 25, 2021, in observance of Thanksgiving. MEMX will follow an abbreviated trading schedule on Friday, November 26, 2021, in which the regular market session will conclude at 1:00 p.m. ET and the post-market session will conclude at 2:00 p.m. ET.   Thursday, November 25, 2021 – Closed   Friday, November 26, 2021 – Abbreviated Trading Schedule  Time (Eastern) […]

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Alerts and Notices Product Notices

Product Notice 21-282 to 21-285: Additional Exchange Products Approved for Trading