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Friday, May 9, 2025

Data Technical News #2025 - 14
Nasdaq Introduces Updates to Market Data Feeds to Include Additional Listing Market

Markets Impacted:

Products Impacted:

  • NLS 3.0
  • NLS+ 3.0

Contact Information:

What you need to know:

Effective May 19, 2025, Nasdaq is making changes to all Nasdaq Last Sale market data feeds to include the addition of NYSE Texas as a primary listing market following the open of NYSE Texas in March 2025.

What is changing?

Beginning May 19, 2025, subject to approval of regulatory filings, NYSE Texas will offer primary listings of Exchange Traded Products (ETPs). To support this change, Nasdaq is adding value “M” to all Nasdaq Last Sale feeds reflect the additional listing market participant ID to all feeds with messages disseminating primary listing market information.

Until further notice, only Nasdaq Last Sale feeds will support this change. Customers can expect to receive a second notice with for changes to all other products with listing market information in the coming weeks.

Will there be a change to Technical Specifications?

Yes, specification documents have been updated to reflect the addition of the additional listing market. Please reference the new specification documents below for additional details:

Who should I contact for additional information?

Additional questions can be directed to the Nasdaq Data Client Success Team.


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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: business.nasdaq.com.

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