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Alerts and Notices Trader Alerts

Trader Alert 21-08: UAT on March 6, 2021

On Saturday March 6, 2021 MEMX will conduct a weekend UAT for Members to test the March 15 release in production environment. Test Schedule for Saturday March 6, 2021: Time (Eastern) Trading Status 8:30A  Session Available 9:00A  Pre-Market 9:30A  Market 12:00P  Post-Market 1:00P Post-Market Closed 1:15P  Session Closed What is Changing? MEMX will now be accepting an […]

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Alerts and Notices Trader Alerts

Trader Alert 21-07: NMS Routing Roll Out Schedule Starting February 17, 2021

MEMX will begin routing on February 17, 2021. In order to participate, the MEMX Routing Agreement needs to be completed. Routing Agreement Phase 1: Wednesday, February 17, 2021 All NMS test symbols and the following list of symbols will be enabled in production for NMS routing: AAPL, ACST, AEZS, AMC, ARTL, BB, ED, GE, GEVO, […]

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Alerts and Notices Trader Alerts

Trader Alert 21-05: Fee Schedule Update Effective February 1, 2021

Effective Monday, February 1, 2021, MEMX will be implementing the following transaction fees. Changes are in bold text below. Trading Fees and Rebates 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 $(0.0034) (0.05% of total dollar value) Br, Dr or Jr […]

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Alerts and Notices Trader Alerts

Trader Alert 21-04: Routing Functionality Testing on February 6, 2021

On Saturday February 6, 2021 MEMX will conduct a weekend UAT for Members to test Routing Functionality in the production environment. As a reminder, MEMX will only be routing to satisfy Reg NMS and is not supporting any specific routing strategies or allowing directed routing. The scope of this weekend test is limited to NMS […]

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Alerts and Notices Trader Alerts

Trader Alert 21-02 (Updated): New Trading Platform Version – Effective Wednesday January 20, 2021

MEMX is releasing a new version of the trading platform on the evening of Thursday, January 14, 2021 Tuesday, January 19, 2021, for an effective date of Friday January 15, 2021 Wednesday, January 20, 2021. This release contains the following changes:  MEMX will now accept limit orders regardless of the presence of an away market. Currently […]

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Trader Alerts

Trader Alert 20-13: Fee Schedule Updates Effective December 4, 2020

Effective December 4, 2020, MEMX will implement the following pricing for executions in securities priced below $1.00: for all orders that add liquidity, MEMX will provide a rebate equal to 0.05% of the total dollar value of the execution; for all orders that remove liquidity, MEMX will charge a fee equal to 0.05% of the […]

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Alerts and Notices Trader Alerts

Trader Alert 20-07: MEMX Trading Symbols Update

Starting Tuesday October 13th our active symbols will be: Current symbols: ACST, AMGN, BB, CRM, DIA, ED, F-B, GOOG, GS, HD, HON, ICSH, MCD, MMM, MSFT, NOK, UNH, V, XOM 29 New Additions: (20) The rest of DIA constituents – AAPL, AXP, BA, CAT, CSCO, CVX, DIS, DOW, IBM, INTC, JNJ, JPM, KO, MRK, NKE, […]

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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 20-02: 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.