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Effective Rule Filings Rule Filings

SR-MEMX-2022-23: Proposed Changes to Fee Schedule

Date Filed: August 31, 2022 Description: Proposed rule change to amend the Fee Schedule to: (i) adopt a reduced fee for Midpoint Peg Orders with a time-in-force instruction of IOC or FOK that execute at the midpoint of the NBBO; (ii) modify the required criteria under Liquidity Provision Tiers 1 and 2; and (iii) allow affiliated […]

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Alerts and Notices Trader Alerts

Trader Alert 22-27: Fee Schedule Update Effective September 1, 2022

Effective Thursday, September 1, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Adoption of a new Fee Code and reduced fee for Midpoint Peg orders with a Time-in-Force instruction of IOC or FOK that remove volume from the MEMX Book upon entry. Modify the required criteria […]

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 22-26: MWCB Testing Opportunity – September 10, 2022

The Securities Information Processors (“SIPs”) will conduct Market-Wide Circuit Breaker (“MWCB”) tests breaching Level 1, 2, and 3 on Saturday, September 10, 2022. In coordination with other market participants, MEMX will participate in the test and published a test script: MEMX 2022 Market-Wide Circuit Breaker Test Script. Certain members designated by MEMX are required to […]

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Alerts and Notices Product Notices

Product Notice 22-196 to 22-198: Additional Exchange Products Approved for Trading

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Uncategorized

July 2022

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Alerts and Notices Product Notices

Product Notice 22-195: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-191 to 22-194: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 22-25: Holiday Reminder – Closed September 5, 2022

MEMX will be closed Monday, September 5, 2022, in observance of Labor Day. Normal trading will resume on Tuesday, September 6, 2022. MEMX Market Hours and Holiday Schedule 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 22-190: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-188 to 22-189: Additional Exchange Products Approved for Trading