Effective Monday, February 10, 2025, the opening trigger on MEMX Options will be the primary exchange opening print and LULD band, subject to SEC approval. Our Market Operations and Member Experience teams are here for any of your questions. MEMX Market Operations mops@memx.com 1-833-415-6677 MEMX Member Experience memberx@memx.com 1-833-415-6369
Author: Market Operations
Effective Thursday, January 2, 2025, 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 * * * * * Liquidity Provision Tiers Tier Rebate Per Share Required Criteria Tier 1 $(0.0034) (1) Member has an ADAV (excluding Retail Orders) […]
Effective for trading Monday, March 17, 2025, MEMX Equities MEMO, SBE, FIX, and FIX Drop Copy versions 1.10 and 1.11 will be deprecated. MEMX Equities will continue to support version 1.8 and 1.12. If your firm currently has 1.10 or 1.11 versions please contact Market Operations to update the version on or before Friday, March […]
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 […]
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
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 […]
MEMX Options MEMO SBE, FIX, and FIX Drop specifications version 1.9 are now available for download here. Clients not needing the features offered in version 1.9 are not required to upgrade at this time. Important Dates: Monday, October 14, 2024, version 1.9 will be made available for testing in the MEMX Options Development Environment (MODE). […]