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Wilshire Mid-Cap Index

Wilshire Mid-Cap Index

What Is the Wilshire Mid-Cap Index?

The Dow Jones Wilshire Mid-Cap Index is a mid-cap benchmark index kept up with by Wilshire Indexes, sent off in 1996. The Wilshire US Mid-Cap Index is a float-adjusted, market capitalization-weighted index of the issues positioned somewhere in the range of 500 and 1,000 by market capitalization of the Wilshire 5000 Total Market Index (Wilshire 5000).

Mid-cap (or mid-capitalization) is a term used to assign companies with a market cap somewhere in the range of $2 and $10 billion. As the name suggests, a mid-cap company falls in the middle between [large-cap](/enormous cap) (or huge cap) and small-cap companies.

Understanding the Wilshire Mid-Cap Index

The Wilshire (formerly Dow-Jones/Wilshire) Mid-Cap Index is a market-capitalization- weighted index that contains the companies positioned somewhere in the range of 500 and 1,000 as estimated by market capitalization.

The Wilshire Mid-Cap Index is the mid-cap subset of the Wilshire 5000 Composite Index. The Wilshire 5000 Composite Index, otherwise called the Wilshire 5000 Total Market Index, is the most broadly based U.S. stock index. Supports are utilized to reduce index turnover.

Other Wilshire Indices

Alongside the Mid-Cap Index, there are three different fragments of market capitalization, each with an alternate index association. The three different sections are the Wilshire U.S. Huge Cap Index, which incorporates stocks positioned 1 through 750, the Wilshire U.S. Small-Cap Index, with stocks positioned 751-2,500, and the Wilshire U.S. Miniature Cap Index, with the stocks that are positioned 2,501+.

The mid-cap index contains stocks from both the small-and huge cap indexes. It contains around 250 of the smallest huge cap stocks and 250 of the biggest small-cap stocks.

The four indices together are known as the Total Market Index, a famous benchmark for [investors](/financial backer) as it demonstrates a complete broad-based coverage of the US market and incorporates the majority of stocks with the exception of those of the smallest value. The index addresses the top 95% of the U.S. stock market based on market capitalization and incorporates around 3,600 stocks traded on U.S. stock exchanges.

Other Mid-Cap Indices

The Wilshire Mid-Cap Index is one of several indices that track mid-cap stocks. Notwithstanding its core mid-cap index, Wilshire likewise offers mid-cap value and growth style indexes.

The Russell Midcap Index, for example, is a market capitalization-weighted index included 800 publicly traded U.S. companies with market caps of somewhere in the range of $2 and $10 billion. The 800 companies in the Russell Midcap Index are the 800 smallest of the 1,000 companies that contain the Russell 1000 Index.

The S&P MidCap 400 is an index distributed by Standard and Poor's. The index contains 400 companies chose as broadly representative of companies with midrange market valuations of between $1.5 billion and $ 17.9 billion.


  • The index is float-adjusted and capitalization-weighted, rebalanced semi-every year.
  • The parts of the Wilshire US Mid-Cap are the last 250 Wilshire US Large-Cap securities and the main 250 Wilshire US Small-Cap securities by capitalization.
  • The Wilshire Mid-Cap Index contains those Wilshire 5000 companies positioned somewhere in the range of 500 and 1,000 by market value (with supports).