The NIFTY 50 is an Indian stock market index that represents the float-weighted average of 50 of the largest Indian companies listed on the National Stock Exchange. Nifty 50 is owned and managed by NSE Indices, which is a wholly owned subsidiary of the NSE. The Nifty 50 index was launched on 22 April 1996 with a base date of 3 November 1995 and with 1,000 as its base value. The NIFTY 50 index ecosystem consists of index funds, and futures and options at NSE and NSE International Exchange. In 2016, NIFTY 50 was reported by the WFE and FIA as the world's most actively traded index options contract, but it was later overtaken by Nifty Bank. In 2024, NIFTY 50 overtook Nifty Bank after the latter's weekly expiry contracts were discontinued. The NIFTY 50 index covers 13 sectors of the Indian economy and offers investment managers exposure to the Indian market in one portfolio. As of November 2025, NIFTY 50 gives a weightage of 36.84% to financial services including banking, 10.39% to oil and gas, 10.23% to information technology, 6.81% to automotive, and 6.49% to consumer goods. Wikipedia