MEMX Equities and MEMX Options will be closed Monday, February 19, 2024, in observance of the Presidents’ Day holiday. Normal trading will resume on Tuesday, February 20, 2024. MEMX Market Hours and Holiday Schedule Please contact Market Operations with any questions. MEMX Market Operations | mops@memx.com | 1-833-415-6677
Category: Alerts and Notices
On Friday, February 2, 2024, MEMX Options released new versions of its MEMO SBE Specifications. Version 1.5B and 1.6B can be found here using the “upcoming version” link. All previous versions of MEMO SBE version 1.5 and 1.6 will be deprecated. Release date for MEMX Options Development Environment (MODE) is Tuesday February 13, 2024 and production to follow. User acceptance test (UAT) date […]
Date: February 1, 2024 Description: MEMX Options – Announcement of Classes Added to Exchange Penny Program
On Monday, February 12, 2024 MEMX Options is deprecating MEMO FIX, MEMO SBE, and FIX Drop version 1.3. If your Firm has 1.3 sessions please contact Market Operations to update the version on or before Friday, February 9, 2024. Our Market Operations and Member Experience teams are here for any of your questions. MEMX Market […]
On Monday, February 5, 2024, MEMX Options is releasing a quote cancel message ordering change, as announced in Trader Alert 24-07. The message ordering change is currently available in the MODE test facility and will be available in production for testing during a Saturday, February 3, 2024, UAT. A UAT session will be available, in […]
Effective Thursday, February 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 Fee Code Description Fee/(Rebate) – Securities at or above $1.00 (“A”) Fee/(Rebate) – Securities below $1.00 (“B”) B, D or J Added displayed volume $(0.0015) […]
MEMX Options is changing the ordering of quote cancels that result from replacement of existing quotes. Currently these cancels are interlaced with the accept messages from each quote entry. The change results in all cancels occurring first. This change is currently available in the MEMX Options Development Environment (MODE), production release date Monday, February 5, […]