Thursday, September 22, 2022

Equity Trader Alert #2022 - 85
Nasdaq Testing Opportunity: Saturday, September 24, 2022


  • Testing

Markets Impacted:

Contact Information:


Nasdaq Production system will be open from 9:00 a.m. to 12:00 p.m. Eastern Time (ET) for general customer testing this Saturday, September 24, 2022 for Regulation SCI BCP/DR Pre-Testing.

In addition, Customers will have an opportunity to test the Closing Cross Lockdown Period “CCLP” as Nasdaq will be introducing this to ensure eligible continuous market orders remain open and participate in the closing cross. Continuous book orders that receive a cancel request post 4:00pm but prior to the completion of the closing cross will receive a Cancel Pending response. Those orders that were not executed in the closing cross will be canceled back immediately after the closing cross completes and have no risk of trading in extended hours.

Firms must register for Saturday testing by contacting Nasdaq Trading Services by 12:00 p.m. (ET), on the Friday prior to the Saturday test in which they would like to participate. Please provide the system(s) you intend on testing, in your registration email. The 2022 Saturday Test schedule can be found on the Saturday Testing Policy Page along with a complete list of products and systems available during the test dates.

The Nasdaq Test Facility is available weekdays and allows firms to test their automated systems that integrate with Nasdaq's services.

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Nasdaq (Nasdaq: NDAQ) is a leading global provider of trading, clearing, exchange technology, listing, information and public company services. Through its diverse portfolio of solutions, Nasdaq enables customers to plan, optimize and execute their business vision with confidence, using proven technologies that provide transparency and insight for navigating today's global capital markets. As the creator of the world's first electronic stock market, its technology powers more than 90 marketplaces in 50 countries, and 1 in 10 of the world's securities transactions. Nasdaq is home to approximately 3,900 total listings with a market value of approximately $13 trillion. To learn more, visit: