The S&P 100 Index is the largest 100 major blue chip companies across multiple sectors. The S&P 100 Index is a sub-set of the S&P 500. The S&P 100 represents 51% of the market capitalization of all U.S. equity markets combined.
Below is a list of some of the companies listed on the S&P 100.
Johnson & Johnson
Exxon Mobil Corp
JP Morgan Chase & Co
|Foundation||June 15, 1983|
|Operator||S&P Dow Jones Indices|
|Market cap||US$13.6 trillion
(as of April 30, 2017)
|Weighting method||Free-float capitalization-weighted|
Index options on the S&P 100 are traded with the ticker symbol "OEX". Because of the popularity of these options, investors often refer to the index by its ticker symbol.
The S&P 100, a subset of the S&P 500, includes 102 (because two of its component companies have 2 classes of stock) leading U.S. stocks with exchange-listed options. Constituents of the S&P 100 are selected for sector balance and represent about 63% of the market capitalization of the S&P 500 and almost 51% of the market capitalization of the U.S. equity markets as of January 2017. The stocks in the S&P 100 tend to be the largest and most established companies in the S&P 500.