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Alerts and Notices Regulatory Notices Uncategorized

Regulatory Notice 22-04: Mandatory Participation in Market-Wide Circuit Breaker Testing

Date: April 21, 2022 Description:  Certain members designated by MEMX are now required to participate in at least one industry-wide Market-Wide Circuit Breaker test each year.

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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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605 Reports

February 2022

MEMX has updated the order type code computation method for At-the-Quote Limit Orders and Marketable Limit Orders as of May 2022, after this report was published.

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605 Reports

January 2022

MEMX has updated the order type code computation method for At-the-Quote Limit Orders and Marketable Limit Orders as of May 2022, after this report was published.

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Alerts and Notices Trader Alerts

Trader Alert 22-04: Holiday Reminder – Closed February 21, 2022

MEMX will be closed Monday, February 21, 2022, in observance of the Presidents’ Day holiday. Normal trading will resume on Tuesday, February 22, 2022. MEMX Market 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 

Categories
Alerts and Notices Regulatory Notices

Regulatory Notice 22-01: Mandatory Participation in Regulation SCI Disaster Recovery Testing

Date: February 2, 2022 Description: Mandatory Participation in Regulation SCI Disaster Recovery Testing  

Categories
605 Reports

December 2021

MEMX has updated the computation method for average realized spread and average effective spread as of January 2022, after this report was published. MEMX has updated the order type code computation method for At-the-Quote Limit Orders and Marketable Limit Orders as of May 2022, after this report was published.

Categories
Alerts and Notices Trader Alerts

Trade Alert 22-01: Holiday Reminder – Closed January 17, 2022

MEMX will be closed Monday, January 17, 2022, in observance of the Martin Luther King, Jr. holiday. Normal trading will resume on Tuesday, January 18, 2022.