On Wednesday, November 22, 2023, MEMX Options released an update to its FIX Drop specification, version 1.6B can be downloaded here using the “upcoming version” link. Release date for Production is Friday November 24, 2023 and is already released to MODE. All previous versions of FIX Drop 1.6 will be deprecated. Members that would like to upgrade to version […]
Category: Trader Alerts
Trader Alerts, Regulatory Notices, and Product Notices have moved: MEMX Trading Alerts & Notices
On Tuesday, November 28, 2023, MEMX Options plans on adding the following underlier: QQQ Additional tranches 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, November 16, 2023, MEMX Options released a new version of its Risk Specification. Version 1.6 can be downloaded here using the “upcoming version” link. Release date for MODE and Production to follow, updates are listed below and in the specification Errata included in the download: Risk Specification v1.6 Our Market Operations and Member Experience teams are […]
On Wednesday, November 15, 2023, MEMX Options plans to release MEMOIR, MEMO, and FIX Drop version 1.6A to production. Version 1.6A can be downloaded here using the “upcoming version” link. Members that would like to upgrade to version 1.6A MEMO or FIX Drop should reach out to Market Ops. Updates are listed in the specification Errata included in the […]
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 2, 2023. In coordination with other market participants, MEMX will participate in the test and publish a test script: MEMX 2023 Market-Wide Circuit Breaker Test Script. Certain members designated […]
On Monday, November 6, 2023, MEMX Options released new versions of its MEMOIR Common, MEMOIR TOP, MEMOIR Depth, and FIX Drop specifications, version 1.6A can be downloaded here using the “upcoming version” link. Release date for MODE is Wednesday November 8, 2023. Members that would like to upgrade to version 1.6A MEMO or FIX Drop in MODE […]
MEMX Equities and MEMX Options will be closed Thursday, November 23, 2023, in observance of Thanksgiving. MEMX Equites will follow an abbreviated trading schedule on Friday, November 24, 2023, in which the regular market session will conclude at 1:00 p.m. ET and the post-market session will conclude at 2:00 p.m. ET. MEMX Options will follow […]
Effective Wednesday, November 1, 2023, 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) […]
Production Phased Launch Schedule: Tranche 1 Wednesday, September 27, 2023 3 underliers, SBUX, IMGN, and GLD Tranche 2 Wednesday, October 4, 2023 (**All Symbols with ETP underliers including GLD will close at 4:15 PM ET**) 9 additional underliers F, INTC, NFLX, AI, BUD, NUE, TGTX, MOO, and UNG Tranche 3 Thursday, October 26, 2023 2 […]
On Tuesday, October 17, 2023, MEMX Options released new versions of its MEMO, MEMOIR, MEMOIR TOP, MEMOIR Depth, and FIX Drop specifications. Version 1.6 can be downloaded here using the “upcoming version” link, release dates for MODE and Production to follow. Updates are listed below: MEMO FIX V1.6 MEMO SBE V1.6 MEMOIR Common V1.6 MEMOIR Depth […]