S&P 100 Index is the Standard & Poor's 100 Stock Index, known by its ticker symbol SP100, measures large company U.S. stock market performance. This market capitalization-weighted index is made up of 100 major, blue chip stocks across diverse industry groups.
Known by its ticker symbol SP100, the S&P 100 is a subset of the S&P 500 and tracks the largest, most liquid stocks which have options contracts traded on them. The Standard & Poor's 100 Stock Index, measures large company U.S. stock market performance. This market capitalization-weighted index is made up of 100 major, blue chip stocks across diverse industry groups. SP100 is the ticker symbol of the S&P 100, on which SP100 options are traded very heavily.