Russell MidCap Index


The term Russell MidCap Index refers to a composite that includes mid-sized capitalization companies located in the United States.  The Russell MidCap is published and maintained by FTSE Russell.


The Russell MidCap Index is designed to measure the performance of the mid-sized capitalization companies in the United States equities market.  The index is a composite of roughly 800 securities with a median market capitalization value of $6.4 billion.

First launched on November 1, 1991, the companies included in the index are selected based on float-adjusted market capitalization and represent the same companies appearing as 201 through 1,000 in the Russell 3000.  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 RMCC.

Related Terms

Russell 3000, Russell 3000 Growth, Russell MicroCap, Russell 3000E