Additional 493 Symbols on Wednesday, October 21, 2020 The remainder of the S&P 500 components, plus the 24 instruments below will be added to the existing symbols. ABEVACBAPHABBDCVECXITUBNGDNNDMQIDSPXUSWN SQQQKCACKCAC+KCAC=KKRKKR-AKKR-BKKR-CTDW+AVST+ANSPR+BTDW+B See our Instrument Directory for the Full List Here NOTES: NMS routing is not currently enabled, MEMX will provide an update when we plan to enable […]
In coordination with other market centers as part of the SIFMA organized industry test, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 24th, 2020. The scope for this weekend test will be a full feature test of all exchange functionality in order to ensure that […]
On October 12, 2020, the Exchange experienced an issue with a subset of internal monitors. The trading platform was not impacted. The issue manifested itself in the inability to fully view the trading data in a subset of the operational monitoring dashboards. Out of an abundance of caution for the greater marketplace, MEMX chose to halt pre-market trading at 09:15 […]
10/12/2020 11:33 ET – MEMX has resumed trading. 10/12/2020 11:15 ET – MEMX has resolved an issue propagating trading data into the Exchange’s monitoring complex. The issue did not impact the trading platform. MEMX will resume trading at 11:30 ET. All MEMX Systems are functioning normally. 10/12/2020 09:25 ET – MEMX will delay the market […]
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, […]
10/09/2020 09:10 ET – MEMX has normalized the “a” and “b” feeds as of 09:10 ET. Customers should use their normal mechanisms (i.e. replay from sequence 1 or snapshot) to recover the feed state. All systems are now operating normally. 10/09/2020 09:03 ET – MEMX has determined that there was a messaging count inconsistency between […]
As of Monday, October 5th the Post-Market session will end at 5PM ET.
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, […]
9/23/20 08:15 ET – MEMX experienced an issue with market data ingestion in the Pre-Market. The issue has been fully resolved. The Pre-Market session opened at 08:15 ET. All MEMX systems are operating normally. 9/23/20 07:00 ET – MEMX is currently investigating a potential issue and will not open the pre-market session until further notice.