Rule 605 Disclosure of Order Execution Information
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Author: Lauren Strathman
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November 2023
Rule 605 Disclosure of Order Execution Information
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October 2023
Rule 605 Disclosure of Order Execution Information
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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September 2023
Rule 605 Disclosure of Order Execution Information
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August 2023
Rule 605 Disclosure of Order Execution Information
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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July 2023
Rule 605 Disclosure of Order Execution Information
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US Options
Instrument Directory
Click Here for the Instrument Directory Download Customers should use the Instrument Directory file at their own discretion. The Instrument Directory file is subject to change at any time prior to the trading session or during the trading session for corrections or intraday updates. MEMX makes no guarantee of accuracy that the Instrument Directory file […]
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 […]