The MEMX Options Environment will be closed Friday, September 15, 2023, in preparation for Weekend Test #4 scheduled for Saturday, September 16, 2023. The MEMX Options Development Environment (MODE) is available. 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
Following a successful third test, MEMX Options will host the fourth and final pre-launch production tests on Saturday, September 16, 2023. The following details how clients can participate, registration is not required. Instrument Directory: The instrument directory for this weekends test. Order Entry: Members will be able to use their Production order entry sessions to test. Market […]
Following a successful second test, MEMX Options will host the third of four planned pre-launch production tests on Saturday, September 9, 2023. The following details how clients can participate, registration is not required. Instrument Directory: The instrument directory for this weekends test. Order Entry: Members will be able to use their Production order entry sessions to test. […]
The MEMX Options Environment will be closed September 8, 2023, in preparation for Weekend Test #3 scheduled for Saturday, September 9, 2023. The MEMX Options Development Environment (MODE) is available. 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
User Acceptance Tests: Updated Production Phased Launch Schedule: 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
Effective Friday, September 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. Sub-Dollar Rebate Tier Tier Rebate* Required Criteria Tier 1 (0.15% of total dollar value) Member has a Sub-Dollar ADAV ≥ 5,000,000 shares * Rebate would apply instead […]
On Wednesday, August 30, 2023, MEMX Options released new versions of its MEMO specifications. Version 1.5 can be downloaded here. This update adds fields to the AllocationInstruction message in SBE and FIX, as well as a new value to the OrderRejectReasonCode field in FIX. For more details please see the Errata included in the specification download. […]
On Wednesday, August 23, 2023, MEMX options released new versions of its specifications pursuant to the first UAT to ensure the specifications are in line with the platform. Version 1.4 can be downloaded here. The change summary is outlined in the Errata included in the download. Please reach out to mops@memx.com if you would like your […]
Options Pre-Production Environment will be closed August 25, 2023, in preparation for Weekend Test #2 scheduled for Saturday, August 26, 2023. 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
There are three requirements for Members to transition from pre-production to production: Certification: MEMX Options Service Desk can be found HERE. 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