S&P 1000 Index

Definition

The term S&P 1000 Composite refers to an index that includes the same securities as the S&P 400 and S&P 600 Indices.  The S&P 1000 is published and maintained by S&P Dow Jones Indices.

Explanation

The S&P 1000 is a composite index that includes small and mid-cap stocks issued in the United States.  First launched on October 28, 1994, the composite is designed to provide investors with a measure of the performance of the small and mid-cap U.S. equity market.

The two components of the S&P 1000 include:

• S&P 400: a portfolio of four hundred common stocks believed to be representative of the mid-cap market.   At the time of inclusion, the market capitalization of these securities was between $1.4 billion and $5.9 billion.
• S&P 600:  a portfolio of six hundred common stocks believed to be representative of the small-cap market.   At the time of inclusion, the market capitalization of these securities was between $400 million and $1.8 billion.

Related Terms

S&P 1500 Composite Pure Value, S&P 1000 Composite Value, S&P 1000 Composite Growth, S&P 1000 Pure Value