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 […]
Author: Market Operations
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, […]
On Thursday, February 1, 2024, MEMX Options plans on adding the following underliers: Underliers E-G Additional dates and details to follow 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
On Thursday, January 25, 2024, MEMX Options plans on adding the following underliers: Underliers C-D Additional dates and details to follow 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
As previously announced here, MEMX Options released version 1.6C of its MEMO FIX and FIX Drop specifications. This update will be available in Production starting Tuesday, January 16, 2024. **If your Firm currently uses version 1.6 in Production you will receive TrdMatchID (FIX tag 880) on Cancel/Correct messages in MEMO FIX and FIX Drops starting Tuesday, January 16, 2024.** Our Market Operations and Member […]
On Thursday, January 4, 2024, MEMX Options released new versions of its MEMO FIX and FIX Drop Specifications. Version 1.6C can be found here using the “upcoming version” link. All previous versions of MEMO FIX and FIX Drop version 1.6 will be deprecated. Release date for Production to follow, 1.6C is already available in the MEMX Options Development Environment (MODE). Members that would […]
On Wednesday, January 3, 2024, MEMX Options plans on adding the following underliers: Underliers A-B (585 new options symbols) Additional dates and details to follow 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
As previously announced here, MEMX Equities released version 1.12 of its MEMO FIX, MEMO SBE, and FIX Drop specifications. This functionality is now available in Production and the MEMX Development Environment (MDE). Members that would like to upgrade to version 1.12 should reach out to Market Ops. Our Market Operations and Member Experience teams are here for any of your questions. […]