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Alerts and Notices Trader Alerts

Trader Alert 22-15: Holiday Reminder – Closed May 30, 2022

MEMX will be closed Monday, May 30, 2022, in observance of Memorial Day. Normal trading will resume on Tuesday, May 31, 2022.   MEMX Market Holiday Hours and Holiday Schedule Our Market Operations and Member Experience teams are here for any of your questions.   MEMX Market Operations mops@memx.com 1-833-415-6677   MEMX Member Experience memberx@memx.com 1-833-415-6369 

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Alerts and Notices Trader Alerts

Trader Alert 22-14: Fee Schedule Update Effective May 2, 2022

Effective Monday, May 2, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC:  Adopt a new Step-Up Additive Rebate incentive, which provides an additive rebate of 0.0002 per share for executions of added displayed volume in securities ≥$1 (other than orders that establish the NBBO for Members […]

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Alerts and Notices Trader Alerts

Trader Alert 22-13: Updated MEMO FIX, MEMO SBE, and Fix Drop Specifications

On April 22, 2022, MEMX released a new version of its MEMO FIX, MEMO SBE, and Fix Drop specifications. Version 1.10 of MEMO and Fix Drop can be found here using the “Upcoming version” link. Please see the Specification Errata document included in the download for details. Note: the MEMX MDE test environment already has this update; […]

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Alerts and Notices Trader Alerts

Trader Alert 22-12: MEMX Regulation SCI Disaster Recovery Testing – SIFMA BCP Testing

On February 2, 2022, MEMX published Regulatory Notice 22-01: 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 15, 2022.  The scope […]

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 22-11: Regulatory Transaction Fee Adjustment Effective May 14, 2022

This notice is being issued to inform you of the recently published Securities and Exchange Commission (SEC) order described in Fee Rate Advisory #1 for Fiscal Year 2022, in which the SEC announced the Section 31 transaction fee rate applicable to securities transactions on the exchanges and over-the-counter markets will be $22.90 per million dollars for covered sales occurring on or after […]

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Alerts and Notices Trader Alerts

Trader Alert 22-10: Holiday Reminder – Closed April 15, 2022

MEMX will be closed Friday, April 15, 2022, in observance of Good Friday. Normal trading will resume on Monday, April 18, 2022. MEMX Market Holiday Hours and Holiday Schedule Our Market Operations and Member Experience teams are here for any of your questions.   MEMX Market Operations mops@memx.com 1-833-415-6677   MEMX Member Experience memberx@memx.com 1-833-415-6369 

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Alerts and Notices Trader Alerts

Trader Alert 22-09: Updated Market Data Policies Effective April 1, 2022 

As previously announced on February 9, 2022, MEMX will implement fees for its market data feeds (MEMOIR Depth, MEMOIR Top, and MEMOIR Last Sale) effective April 1, 2022.  In connection with such fees, MEMX is also implementing certain monthly reporting requirements for market data customers to report their usage, with the first month’s reporting (covering usage in […]

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Alerts and Notices Trader Alerts

TraderAlert 22-08: Updated Fix Drop, MEMO FIX and MEMO SBE Specifications as well as Specification Version validations for March 28, 2022

On March 23, 2022, MEMX released new versions of its MEMO FIX, MEMO SBE, and Fix Drop specifications. Version 1.9 of MEMO and FIX Drop can be found here using the “Upcoming version” link. This specification update includes addition of a new LnkID and ExtendedRestatementReason fields as well as version validations for MEMO and Fix Drop. Note: […]

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Alerts and Notices Trader Alerts

Trader Alert 22-07: Member testing available on March 26, 2022

On Saturday, March 26, 2022, MEMX is participating in the UTP and CTA failover testing to the secondary data centers as well as Market-Wide Circuit Breaker testing. The trading platform will be available for Member testing. Test Schedule for Saturday, March 26, 2022: Time (Eastern) Trading Status 8:00A  Session Available 8:30A  Pre-Market 9:30A  Market 12:00P  Post-Market 1:00P […]

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Alerts and Notices Trader Alerts

Trader Alert 22-06: Fee Schedule Update Effective March 1, 2022

Effective Tuesday, March 1, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Adopt a new NBBO Setter Tier, which provides an additive rebate of 0.0003 per share for executions of added displayed volume (other than Retail Orders) in securities ≥$1 that set the NBBO for members […]