On Friday, June 30, 2023, MEMX Options released new versions of all its specifications. Version 1.3 can be downloaded here. The change summary is listed below and all details are outlined in the Errata included in the download. Additional Resources: Our Market Operations and Member Experience teams are here for any of your questions. MEMX Market […]
Month: June 2023
Date Filed: June 23, 2023 Description: Proposed rule change to establish common criteria and procedures for halting and resuming trading in equity securities in the event of regulatory or operational issues, reorganize the text of the current relevant rule, and make conforming changes to related rules.
MEMX will be closed Tuesday, July 4, 2023, in observance of Independence Day.The Exchange will support an abbreviated trading schedule on Monday, July 3,2023. Normal trading will resume on Wednesday, July 5, 2023. MEMX Abbreviated Trading Schedule: 7:00 AM ET – Pre-Market 9:30 AM ET – Market 1:00 PM ET – Post-Market 2:00 PM ET […]
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May 2023
Rule 605 Disclosure of Order Execution Information