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605 Reports

January 2024

Rule 605 Disclosure of Order Execution Information

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605 Reports

December 2023

Rule 605 Disclosure of Order Execution Information

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605 Reports

November 2023

Rule 605 Disclosure of Order Execution Information

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605 Reports

October 2023

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Trader Alerts

Trader Alert 23-47: Holiday Reminder – Thanksgiving Holiday Schedule

MEMX Equities and MEMX Options will be closed Thursday, November 23, 2023, in observance of Thanksgiving. MEMX Equites will follow an abbreviated trading schedule on Friday, November 24, 2023, 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. MEMX Options will follow […]

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605 Reports

September 2023

Rule 605 Disclosure of Order Execution Information

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605 Reports

August 2023

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Trader Alerts

Trader Alert 23-32: Reminder – MEMX Regulation SCI Disaster Recovery Testing

On February 8, 2023, MEMX published Regulatory Notice 23-01: Mandatory Participation in Regulation SCI Disaster Recovery Testing. In coordination with other market centers as part of SIFMA BCP testing, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 14, 2023.  The scope […]

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605 Reports

July 2023

Rule 605 Disclosure of Order Execution Information

Categories
Alerts and Notices Trader Alerts

Trader Alert 23-25: MWCB Testing Opportunity – September 9, 2023

The Securities Information Processors (“SIPs”) will conduct a Market-Wide Circuit Breaker (“MWCB”) Level 1, Level 2 and Level 3 test on Saturday, September 9, 2023. In coordination with other market participants, MEMX will participate in the test and published a test script: MEMX 2023 Market-Wide Circuit Breaker Test Script. Certain members designated by MEMX are required to […]