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Systems Alerts

Systems Alert 20-02: MEMIOR Top, Depth, and Last Sale Issue – RESOLVED

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 MEMOIR top, depth, and last sale “a” and “b” feeds. MEMX will normalize the “a” and “b” feeds at 9:10AM ET, which will cause a brief gap in service. Customers should use their normal mechanisms (i.e. replay from sequence 1 or snapshot) to recover the feed state.

10/09/2020 08:27 ET – MEMX is currently investigating a potential issue with the MEMOIR top and depth “b” feed in both the primary and secondary data center. MEMOIR top and depth “a” feed is currently operating as expected.