Categories
605 Reports

May 2021

MEMX has reported all trade data for May 2021. Please note that anomalies could be present in the May 2021 data due to a CTA processing issue which occurred May 5, 2021.

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605 Reports

April 2021

Categories
Alerts and Notices Trader Alerts Uncategorized

Trader Alert 21-15: Holiday Reminder – Closed May 31, 2021

MEMX will be closed Monday, May 31, 2021 in observance of Memorial Day. Normal trading will resume on Tuesday, June 1, 2021.  

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605 Reports

March 2021

Categories
Alerts and Notices Trader Alerts

Trader Alert 21-13: MEMX Regulation SCI Disaster Recovery Testing

On February 1, 2021, MEMX published Regulatory Notice 21-2: Mandatory Participation in Regulation SCI Disaster Recovery Testing. In coordination with other market centers as part of the SIFMA organized industry test, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 23, 2021.  The scope for […]

Categories
605 Reports

February 2021

Categories
Alerts and Notices Trader Alerts

Trader Alert 21-11: Holiday Reminder – Closed April 2, 2021

MEMX will be closed Friday, April 2, 2021, in observance of Good Friday. Normal trading will resume on Monday, April 5, 2021.  

Categories
Alerts and Notices Systems Alerts

Systems Alert 21-09: RESOLVED – Routing Disabled

03/16/2021 – The issue has been resolved and routing will be enabled at 09:00 AM ET. All MEMX systems are operating normally. Trading on MEMX was not impacted. 03/16/2021 07:02 ET – MEMX has been made aware of a service provider connectivity issue impacting routing to away Exchanges and has therefore disabled routing. All MEMX systems […]

Categories
Alerts and Notices Trader Alerts

Trader Alert 21-09: MEMX has declared self-help against LTSE

MEMX has declared self-help against LTSE per rule 611 of Regulation NMS. Routing to this destination has been suspended as of 11:51:47 ET. All MEMX systems are operating normally. MEMX Market Operations | mops@memx.com | 1-833-415-6677 

Categories
Alerts and Notices Regulatory Notices

Regulatory Notice 21-04: CAT Clock Synchronization Certification Reminder – Due March 15th

Date: March 5, 2021 Description: CAT Clock Synchronization Certification Reminder – Due March 15th