Effective Tuesday, August 1, 2023, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: • Reduce the base rebates for executions of orders that add displayed volume in securities ≥$1. • Reduce the rebate under Liquidity Provision Tier 1. • Change the required criteria for Liquidity Provision Tier 2. • Reduce the base rebates for executions of orders that add […]
Category: Trader Alerts
Trader Alerts, Regulatory Notices, and Product Notices have moved: MEMX Trading Alerts & Notices
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, July 22, 2023. In coordination with other market participants, MEMX will participate in the test and published a test script: MEMX 2023 Market-Wide Circuit Breaker Test Script. Certain members designated by MEMX […]
On Friday, June 30, 2023, MEMX Options released new versions of all its specifications. Version 1.3 can be downloaded here. The change summary is listed below and all details are outlined in the Errata included in the download. Additional Resources: Our Market Operations and Member Experience teams are here for any of your questions. MEMX Market […]
MEMX will be closed Tuesday, July 4, 2023, in observance of Independence Day.The Exchange will support an abbreviated trading schedule on Monday, July 3,2023. Normal trading will resume on Wednesday, July 5, 2023. MEMX Abbreviated Trading Schedule: 7:00 AM ET – Pre-Market 9:30 AM ET – Market 1:00 PM ET – Post-Market 2:00 PM ET […]
MEMX will be closed Monday, June 19, 2023, in observance of Juneteenth National Independence Day. Normal trading will resume on Tuesday, June 20, 2023. MEMX Market Hours and Holiday 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
The following updates pertain to the MEMX Options exchange launch. Schedule Updates: 1. Pre-Production Environment : 2. MEMX Options Development Environment (MODE): 3. User Acceptance Tests: 4. Production Phased Launch: Specification Updates: Version 1.1 of MEMO FIX, MEMX FIX Drop, MEMO SBE, MEMO Risk Control, MEMOIR Common, MEMOIR TOP, MEMOIR Depth, Connectivity, and SBE Schema specifications […]
Effective Thursday, June 1, 2023, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Modify the required criteria under Liquidity Provision Tier 4. Adopt a new Liquidity Provision Tier 6. Increase the fee and change the required criteria under Liquidity Removal Tier 1. Eliminate Liquidity Removal Tier 2. […]
MEMX will be closed Monday, May 29, 2023, in observance of Memorial Day. Normal trading will resume on Tuesday, May 30, 2023. MEMX Market Hours and Holiday 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 Monday, May 1, 2023, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Modify the required criteria under Liquidity Provision Tiers 2, 4, and 5. Modify the required criteria under DLI Tier 2. Changes are reflected in bold text below. Liquidity Provision Tiers Tier Rebate Per Share […]
On February 8, 2023, MEMX published Regulatory Notice 23-01: Mandatory Participation in Regulation SCI Disaster Recovery Testing. In coordination with other market centers as part of SIFMA BCP testing, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 14, 2023. The scope […]