Index Provider Definition

Learn the definition of index provider and other ETF terminology from the glossary.

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Edited by: Staff

Learn more about Index Providers

An index provider is a specialized firm that develops, calculates, and maintains market indices. These indices serve as benchmarks or reference points for various investment products, including ETFs. Index providers play a crucial role in ensuring the accuracy, transparency, and integrity of these indices. Index providers establish the rules and criteria for selecting the securities that will be included in an index. They also determine how the index's weightings will be determined and how the index will be rebalanced periodically. Additionally, they oversee the calculation and dissemination of the index's value on a regular basis. Some of the well-known index providers in the ETF industry include S&P Dow Jones Indices, MSCI, FTSE Russell, and Nasdaq Global Indexes. These firms provide a wide range of indices covering various market segments, asset classes, and geographic regions. ETF issuers license the use of these indices to create ETFs that track their performance. Index providers play a vital role in the ETF ecosystem by ensuring the quality and reliability of the benchmarks that ETFs rely on. Their expertise and independence are essential for maintaining investor confidence in the ETF market.

Related Terms

ETF Issuer, Exchange-Traded Fund (ETF)


ETF Glossary is’s collection of key terms and definitions related to exchange-traded funds. ETFs are investment funds that are traded on stock exchanges, and they can encompass a wide range of asset classes, including stocks, bonds, commodities and more. Given the diverse range of ETFs and the complexity of financial markets, having a clear understanding of ETF-related terminology is instrumental for investors looking to make informed decisions, manage risks effectively and navigate the evolving landscape of ETF investments.