Month: August 2023
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 […]
Date Filed: August 22, 2023 Description: Proposed rule change to amend Rule 19.3 (Criteria for Underlying Securities) to accelerate the listing of options on certain IPOs.
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
Categories
US Options
Instrument Directory
Click Here for the Instrument Directory Download Customers should use the Instrument Directory file at their own discretion. The Instrument Directory file is subject to change at any time prior to the trading session or during the trading session for corrections or intraday updates. MEMX makes no guarantee of accuracy that the Instrument Directory file […]
Following a successful first test with participation from 11 firms sending orders and quotes, those quotes and trades being disseminated over Memoir and OPRA, mass cancel and risk functionality, drop copies, and OCC and CAT records being created, MEMX Options will host the second of three planned pre-launch production tests on Saturday, August 26, […]