Nifty 100 is a diversified 100 stock index representing major sectors of the economy. Nifty 100 represents top 100 companies based on full market capitalisation from Nifty 500. This index intends to measure the performance of large market capitalisation companies. The Nifty 100 tracks the behavior of combined portfolio of two indices viz. Nifty 50 and Nifty Next 50.

The Nifty 100 Index represents about 60.43% of the free float market capitalization of the stocks listed on NSE as on September 30,2026.

The total traded value for the last six months ending September 2026 of all index constituents is approximately 33.88% of the traded value of all stocks on the NSE.