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Alerts and Notices Trader Alerts

Trader Alert 25-01: Holiday Reminder – Closed January 20, 2025

MEMX Equities and MEMX Options will be closed Monday, January 20, 2025, in observance of the Martin Luther King, Jr. holiday. Normal trading will resume on Tuesday, January 21, 2025. 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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Alerts and Notices Trader Alerts

Trader Alert 24-55: Holiday Reminder – Closed January 1, 2025

MEMX Equities and MEMX Options will be closed Wednesday, January 1, 2025, 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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Alerts and Notices Trader Alerts

Trader Alert 24-54: Holiday Reminder – Closed December 25, 2024

MEMX Equities and MEMX Options will be closed Wednesday, December 25, 2024, in observance of Christmas Day. MEMX Equities will follow an abbreviated trading schedule on Tuesday, December 24, 2024, in which the regular market session will conclude at 1:00pm ET and the post-market session will conclude at 2:00pm ET. MEMX Options will follow an […]

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 24-53: Holiday Reminder – Thanksgiving Holiday Schedule

MEMX Equities and MEMX Options will be closed Thursday, November 28, 2024, in observance of Thanksgiving. MEMX Equities will follow an abbreviated trading schedule on Friday, November 29, 2024, in which the regular market session will conclude at 1:00pm ET and the post-market session will conclude at 2:00pm ET. MEMX Options will follow an abbreviated […]

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Alerts and Notices Trader Alerts

Trader Alert 24-52: MWCB Testing Opportunity – December 7, 2024

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 7, 2024. In coordination with other market participants, MEMX will participate in the test per the following test script: MEMX 2024 Market-Wide Circuit Breaker Test Script. Certain members designated […]

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Alerts and Notices Product Notices

Product Notice 24-342 to 24-345: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-341: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-334 to 24-335: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-324 to 24-333: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 24-322 to 24-323: Additional Exchange Products Approved for Trading