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Alerts and Notices Regulatory Notices

Regulatory Notice 23-03: Mandatory Participation in Market-Wide Circuit Breaker Testing

Date: March 24, 2023 Description: Reminder regarding mandatory Market-Wide Circuit Breaker Testing for certain Members designated by MEMX pursuant to Exchange Rule 11.16.

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Alerts and Notices Regulatory Notices

Regulatory Notice 23-02: CAT Clock Synchronization Certification Reminder – Due March 15th

Date: February 9, 2023 Description: Reminder of Consolidated Audit Trail Compliance Rule requirement to complete an annual certification for Business Clock Synchronization by March 15th of each year.

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Alerts and Notices Regulatory Notices

Regulatory Notice 23-01: Mandatory Participation in Regulation SCI Disaster Recovery Testing

Date: February 8, 2023 Description: Mandatory Participation in Regulation SCI Disaster Recovery Testing

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Alerts and Notices Regulatory Notices

Regulatory Notice 22-07: Updated Clearly Erroneous Execution Rules – Now Effective

Date: October 3, 2022 Description: MEMX, in coordination with all U.S. equities exchanges, has updated the harmonized clearly erroneous execution (“CEE”) rule as outlined in the Notice below and the updated rule is now effective.

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Alerts and Notices Regulatory Notices Uncategorized

Regulatory Notice 22-06: Nominations for Member Representative Director 

Date: July 6, 2022 Description: Notice of Annual Meeting and Nominees for Member Representative Director Positions on the Exchange’s Board of Directors

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Alerts and Notices Regulatory Notices

Regulatory Notice 22-05: Consolidated Audit Trail (“CAT”) Full Customer Account Information System (“CAIS”) Production Certification and Compliance Deadlines Extended

Date: June 3, 2022 Description: The Participants have decided to postpone the full Customer Account Information System (“CAIS”) compliance deadline from July 11, 2022, to a date projected to be in Q4 2022. 

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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 Regulatory Notices

Regulatory Notice 22-03: Continuing Education Program Requirements

Date: March 11, 2022 Description: Continuing Education Program Amendments

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Alerts and Notices Regulatory Notices

Regulatory Notice 22-02: CAT Clock Synchronization Certification Reminder – Due March 15th

Date: February 10, 2022 Description: CAT Clock Synchronization Certification Reminder – Due March 15th

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