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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.

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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 […]

Exchange User Manual

MEMX US Equities Test Facility Details

MEMO Test Session Details You will need to provide the Market Operations team a preference of SBE or FIX encoding for your ports. The Market Operations team will provide synthetic account, MPID, and login details for these sessions. If upon order entry no MPID is specified, the default MPID will apply to the order.  However, […]