MEMX Equities and MEMX Options will be closed Monday, September 2, 2024, in observance of Labor Day. Normal trading will resume on Tuesday, September 3, 2024. MEMX Market Hours and Holiday Schedule Please contact Market Operations with any questions. MEMX Market Operations mops@memx.com 1-833-415-6677
Category: Trader Alerts
Trader Alerts, Regulatory Notices, and Product Notices have moved: MEMX Trading Alerts & Notices
The Securities Information Processors (“SIPs”) will conduct a Market-Wide Circuit Breaker (“MWCB”) Level 1, Level 2 and Level 3 test on Saturday, September 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 by MEMX are […]
On January 3, 2024, MEMX published Regulatory Notice 24-01: 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 5, 2024. The scope for […]
Effective Thursday, August 1, 2024, MEMX will be implementing the following changes to MEMX Options transaction fees, subject to filing with the SEC: Changes are reflected in bold text below. * * * * * Transaction Fees MEMX Options Members are charged per contract fees or provided per contract rebates based on contracts executed […]
Effective Thursday, August 1, 2024, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Changes are reflected in bold text below. Transaction Fees MEMX Members are charged per share fees or provided per share rebates based on shares executed within each of the fee code categories below. Fee […]
Effective Monday, July 1, 2024, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Changes are reflected in bold text below. Transaction Fees MEMX Members are charged per share fees or provided per share rebates based on shares executed within each of the fee code categories below. Fee […]
MEMX Equities and MEMX Options will be closed Thursday, July 4, 2024, in observance of Independence Day. MEMX Equities will follow an abbreviated trading schedule on Wednesday, July 3, 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 […]
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, July 20, 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 […]
As previously announced here, MEMX Options released version 1.7A of its MEMO SBE and Risk specifications. This update will be available in Production starting Monday, July 22, 2024. **Please note:, the following 2 changes affect all versions of Options Risk currently supported (v1.3 and v1.6). ** **There was also an update to the original Risk 1.7 XML schema file that […]
MEMX Equities and MEMX Options will be closed Wednesday, June 19, 2024, in observance of Juneteenth National Independence Day. Normal trading will resume on Thursday, June 20, 2024. MEMX Market Hours and Holiday Schedule Please contact Market Operations with any questions. MEMX Market Operations mops@memx.com 1-833-415-6677