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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-17: MEMX Options Exchange Schedule & Specification Updates  

The following updates pertain to the MEMX Options exchange launch.    Schedule Updates:   1. Pre-Production Environment :   Monday, June 12, 2023: Port requests, order entry, order cancel, execution, and drop copy functionality, along with market data  Login and market data details provided upon request by emailing mops@memx.com  2. MEMX Options Development Environment (MODE):   Monday, August 7, 2023: […]

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605 Reports

April 2023

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Product Notices

Product Notice 23-88: Additional Exchange Products Approved for Trading

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605 Reports

March 2023

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Product Notices

Product Notice 23-82: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-75: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts

Trader Alert 23-14: 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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Alerts and Notices Product Notices Uncategorized

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

Categories
605 Reports

February 2023

Rule 605 Disclosure of Order Execution Information

Categories
Alerts and Notices Trader Alerts

Trader Alert 23-12: MWCB Testing Opportunity – April 1, 2023

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, April 1, 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 […]