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Alerts and Notices Trader Alerts

Trader Alert 20-06: MEMX Market Hours Change

As of Monday, October 5th the Post-Market session will end at 5PM ET.

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Alerts and Notices Trader Alerts

Trader Alert 20-05: MEMX Trading Symbols Update

Starting Tuesday September 29th our active symbols will be: Our 7 launch symbols ACST, BB, ED, F-B, GOOG, ICSH, XOM 12 new additions NOK which is an ADR DIA which is an ETF, and DIA’s top 10 constituents: UNH, HD, AMGN, CRM, MCD, MSFT, V, GS, MMM, HON All NMS test symbols NOTE: NMS routing is not currently enabled, […]

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Alerts and Notices Trader Alerts

Trader Alert 20-04: MEMX Launch Phase 1

See the updated Phase 1 rollout for the latest info. What Symbols are Active in Phase 1? ACST, BB, ED, F-B, GOOG, ICSH, XOM, all NMS test symbols NOTE: NMS routing is not currently enabled, MEMX will provide an update when we plan to enable it. What is the market schedule? Time (Eastern) Trading Status […]

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Alerts and Notices Trader Alerts

Trader Alert 20-03: BCP/DR Testing Scheduled for September 26, 2020

In coordination with other market centers, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, September 26th, 2020.  The scope for this weekend test will be a full feature test of all exchange functionality in order to ensure that MEMX is able to quickly relocate data center operations from Secaucus, NJ to Chicago, […]

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Alerts and Notices Trader Alerts

Trader Alert 20-02: MEMX Fee Schedule

Click the button below for the fee schedule in text and CSV formats. To learn more about our initial fee schedule, read the press release.

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Trader Alerts

Trader Alert 20-01: MEMX Launch Details

Phase Zero September 8th – Production Trading in all NMS test stocks. What connections are being used?Production Sessions. What Symbols are Active?All NMS test Symbols: ATEST, ATEST.A, ATEST.B, ATEST.C, CBO, CBX, CTEST, IBO, IGZ, NTEST, ZAZZT, ZBZX, ZBZZT, ZCZZT, ZEXIT, ZIEXT, ZJZZT, ZTEST, ZVV, ZVZZT, ZXIET, and ZXZZT. What is the schedule? Time (Eastern) Trading Status 7:30A […]