On Saturday, April 10, 2021, MEMX is planing to make the trading platform available for a UAT for Members to test in the production environment. Test Schedule for Saturday, April 10, 2021: Time (Eastern) Trading Status 8:30A Session Available 9:00A Pre-Market 9:30A Market 12:00P Post-Market 1:00P Post-Market Closed 1:15P Session Closed Our Market Operations and Member Experience […]
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.
MEMX will be closed Friday, April 2, 2021, in observance of Good Friday. Normal trading will resume on Monday, April 5, 2021.
Date Filed: March 23, 2021 Description: Proposal to extend the current pilot program related to MEMX Rule 11.15, “Clearly Erroneous Executions,” to the close of business on October 20, 2021.
Date Filed: March 22, 2021 Description: Proposed rule change to amend and restate the Fourth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC as the Fifth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC.