S&P 600


The S&P SmallCap 600 Index, more commonly known as the S&P 600, is a stock market index from Standard & Poor’s. It covers roughly the small-cap range of US stocks, using a capitalization-weighted index., the market capital of companies included in the S&P SmallCap 600 Index ranged from US$400 million to US$1.8 billion. The index’s median market cap was almost $1.1 billion and covered roughly three percent of the total US stock market. These smallcap stocks cover a narrower range of capitalization than the companies covered by the Russell 2000 Smallcap index which range from $169 million to $4 billion. The market valuation for companies in the SmallCap Index and other indices change over times with inflation and the growth of publicly traded companies. The S&P 400 MidCap index combined with the SmallCap 600 compose the S&P 1000, and the S&P 1000 plus the S&P 500 comprise the S&P 1500. The index was launched on October 28, 1994.

S&P 600

What is ‘S&P 600’

An index of small-cap stocks managed by Standard and Poor’s. The S&P 600 SmallCap Index covers a broad range of small cap stocks in the United States. The index is weighted according to market capitalization and covers about 3-4% of the total market for equities in the United States.

Explaining ‘S&P 600’

The S&P 600 is somewhat comparable to the Russell 2000 Index in that both measure the performance of small-cap stocks. Most references to the S&P index are regarding the S&P 500 since its stocks are better knowns. There are several ETFs available for investors who wish to purchase this index.

S&p 600 FAQ

What is the difference between the Russell 2000 and the S&P 600?

The S&P 600 is made up of 601 stocks, while the Russell 2000 comprises of 2,010 stock, and the weighted average market cap of the S&P 600 is US$1.77 billion as opposed to the Russell 2000 with a weighted average market cap of US$2.05 billion

What is S&P Small Cap?

The S&P SmallCap 600 Index (S&P 600) is a type of stock exchange market which was set up by Standard and Poor’s. It was set up to cover generally the small-cap scope of American stocks by utilizing a capitalization-weighted list. TThe S&P SmallCap 600 Index (S&P 600) started on October 28, 1994.

What companies are in the S&P 600?

S&P 600 constituents (current and former)CompanyTicker symbolGICS economic sectorAxcelis Tech IncACLSInformation TechnologyAgree Realty CorpADCReal EstateAdtran IncADTNInformation TechnologyAegion CorpAEGNIndustrials

Further Reading

  • Market reaction to changes in the S&P SmallCap 600 index – onlinelibrary.wiley.com [PDF]
  • Modelling volatility using high, low, open and closing prices: evidence from four S&P indices – researchportal.port.ac.uk [PDF]
  • Evidence on stock price effects associated with changes in the S&P 600 SmallCap Index – www.jstor.org [PDF]
  • An approach to identifying micro behavior: How banks' strategies influence financial cycles – www.sciencedirect.com [PDF]
  • Gender diversity on corporate boards: Do women contribute unique skills? – www.aeaweb.org [PDF]
  • Profitable mean reversion after large price drops: A story of day and night in the s&p 500, 400 midcap and 600 smallcap indices – link.springer.com [PDF]
  • How Banks' Strategies Infuence Financial Cycles: An Approach to Identifying Micro Behavior – papers.ssrn.com [PDF]
  • Intertemporal relations between the market volatility index and stock index returns – www.tandfonline.com [PDF]
  • What do financial markets think of war in Iraq? – www.nber.org [PDF]