MEMX Equities and MEMX Options will be closed Thursday, November 28, 2024, in observance of Thanksgiving. MEMX Equities will follow an abbreviated trading schedule on Friday, November 29, 2024, in which the regular market session will conclude at 1:00pm ET and the post-market session will conclude at 2:00pm ET. MEMX Options will follow an abbreviated […]
Category: Alerts and Notices
The Securities Information Processors (“SIPs”) will conduct data center failover testing as well as Market-Wide Circuit Breaker (“MWCB”) breach Level 1 and 2 on Saturday, December 7, 2024. In coordination with other market participants, MEMX will participate in the test per the following test script: MEMX 2024 Market-Wide Circuit Breaker Test Script. Certain members designated […]
Effective Friday, November 1, 2024, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Changes are reflected in bold text below. Transaction Fees MEMX Members are charged per share fees or provided per share rebates based on shares executed within each of the fee code categories below. Fee […]
Effective Friday, November 1, 2024, MEMX will be implementing the following changes to MEMX Options transaction fees, subject to filing with the SEC: Changes are reflected in bold text below. * * * * * Transaction Fees MEMX Options Members are charged per contract fees or provided per contract rebates based on contracts executed […]
Date: October 29, 2024 Description: Announcement of Continuation of Current Options Regulatory Fee.
Effective Wednesday, October 30, 2024, MEMX Options MEMOIR TOP will be an independently generated data feed. Our Market Operations and Member Experience teams are here to answer any questions. MEMX Market Operations mops@memx.com 1-833-415-6677 MEMX Member Experience memberx@memx.com 1-833-415-6369
Date: October 21, 2024 Description: MEMX Options – Announcement of Classes to be Added to Exchange Penny Program
MEMX is pleased to introduce a new capability to the MEMX User Portal. Users that have access to the User Portal can now access the Document Center, which includes Trade Detail files, via a REST endpoint. To Get Started: MEMX plans to expand programmatic access to other features of the User Portal and will provide […]
MEMX Options will migrate MEMOIR Depth and TOP Snapshot service, in the Primary Data Center, Secondary Data Center, and MODE environment, to new IP addresses on the date below. The legacy IP addresses and new IP addresses for MEMOIR Snapshot, and all MEMOIR IPs, for production can be found here and the MODE environment can […]
Effective for trading on Monday, March 3, 2025, MEMX Options MEMO SBE, FIX, and FIX Drop Copy versions 1.6 and earlier will be depreciated. If your firm currently has 1.6 or earlier versions please contact Market Operations to update the version on or before Friday, February 28, 2025. Our Market Operations and Member Experience teams […]