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 behaviour of combined portfolio of two indices viz. NIFTY 50 and NIFTY Next 50. Look for Green and Orange companies for investing. Bookmark this page for your easy reference in future.