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Wednesday, August 13, 2025

Financial Products News #2025 - 41
Nasdaq Announces Name Change to Three Indexes Effective Tuesday, September 2nd, 2025.

Markets Impacted:

  • All Markets

Data Feeds Impacted:

  • Nasdaq Global Index Data Service (GIDS)
  • Nasdaq Global Index Watch (GIW)
  • Nasdaq Global Index FlexFile Delivery (GIFFD)

Contact Information:

What you need to know:

Effective Tuesday, September 2nd, 2025, Nasdaq will change the name of the following Indexes on the Nasdaq Global Index Data Service SM (GIDS).

What are the indexes?

The ISE High Income Index is designed to track the returns and income of the top U.S listed Closed-End Funds. The Index began on December 31, 2003, with a base value of 100.00.

What are the changes?

On September 2nd, 2025, data recipients will receive real-time index information from the proprietary GIDS data feed with the following attributes:

Ticker (No Change) Index Name (Old) Index Name (New)
YLDA ISE High Income Index Nasdaq CEF High Income Index
YLDANTR ISE High Income Net Total Return Index Nasdaq CEF High Income Net Total Return Index
YLDATR ISE High Income Total Return Index Nasdaq CEF High Income Total Return Index

Nasdaq will support the following directory messages on GIDS:

  • Equities Summary (Message Type F): Disseminated at the end of the U.S. and European trading session to relay the summary of the current trading day's activity for an equity index.
  • Index Directory (Message Type R): Disseminated at the start of each day to relay basic index information.

Will the components and weightings data be made available?

Yes. For access and more information on the Index on the Nasdaq Global Index Watch (GIW) and Nasdaq Global Index FlexFile Delivery (GIFFD), please contact Nasdaq Index Data Sales.

Where can I find additional information?

For questions about Nasdaq index products, please contact Index Services or visit GIW.

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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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