All NMS Symbols are live. Stay informed. SUBSCRIBE TO ALL UPDATES Processing… Success! You're on the list. Whoops! There was an error and we couldn't process your subscription. Please reload the page and try again. SR-MEMX-2021-03: Amendment to Rule 11.6(h)February 24, 2021 Systems Alert 21-06: 2/23/21 Issues SummaryFebruary 23, 2021 Systems Alert 21-05: RESOLVED – Investigating Issue in Symbols U-ZFebruary 23, 2021 Systems Alert 21-04: Market Data Source for A-L Moved to SecondaryFebruary 23, 2021 Systems Alert 21-03: RESOLVED – Market Data Ingestion IssueFebruary 23, 2021