OEX The ticker symbol for the Standard & Poor's 100 Index. Investopedia Says: The S&P 100 is a market-capitalization weighted index of 100 stocks from a broad range of industries. Related Terms: DJIA S&P S&P 500 OEX The ticker symbol for the Standard & Poor's 100 Index. Investopedia Says: The S&P 100 is a market-capitalization weighted index of 100 stocks from a broad range of industries. Related Terms: DJIA S&P S&P 500 |