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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-16: Holiday Reminder – Closed May 29, 2023

MEMX will be closed Monday, May 29, 2023, in observance of Memorial Day. Normal trading will resume on Tuesday, May 30, 2023.   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 Uncategorized

Product Notice 23-67: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-11: Holiday Reminder – Closed April 7, 2023

MEMX will be closed Friday, April 7, 2023, in observance of Good Friday. Normal trading will resume on Monday April 10, 2023. MEMX Market Hours and Holiday Schedule Please contact Market Operations with any questions. MEMX Market Operations mops@memx.com 1-833-415-6677  

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Product Notice 23-59 to 23-60: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices Uncategorized

Product Notice 23-57 to 23-58: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices Uncategorized

Product Notice 23-49: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-01: Holiday Reminder – Closed January 2,2023

MEMX will be closed Monday, January 2, 2023, in observance of New Year’s Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

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Trader Alert 22-34: Holiday Reminder – Closed December 26, 2022

MEMX will be closed Monday, December 26, 2022, in observance of Christmas Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

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Trader Alert 22-31: MWCB Testing Opportunity – December 3, 2022

The Securities Information Processors (“SIPs”) will conduct data center failover testing as well as Market-Wide Circuit Breaker (“MWCB”) breach Level 1 and 2 on Saturday, December 3, 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 […]

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Alerts and Notices Product Notices Uncategorized

Product Notice 22-283 to 22-286: Additional Exchange Products Approved for Trading