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Russell 2500 Index

Last updated 15th Sep 2022


The term Russell 2500 Index refers to a composite that includes mid and small cap companies located in the United States. The Russell 2500 is published and maintained by FTSE Russell.


The Russell 2500 Index is designed to measure the performance of the mid-sized and small capitalization companies in the United States equities market. The index is a composite of roughly 2,500 securities with a median market capitalization value of $1 billion.

First launched on January 1, 1990, the companies included in the index are selected based on float-adjusted market capitalization. On the last trading day of May, FSTE Russell ranks eligible companies based on their total market capitalization values. On the last Friday of June, the index is reconstituted. To be eligible for inclusion in a U.S. equity market index, the securities must trade on the NYSE, NYSE MKT, NASDAQ, or ARCA exchanges. The performance of this index can be monitored via the stock ticker symbol R25I.

Related Terms

Russell 2500 Value, Russell 2500 Growth, Russell 2000 Value, Russell 2000 Growth

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