The Nifty 50 is a stock market index that comprises of 50 of the largest publicly traded companies listed on the National Stock Exchange of India (NSE).

The index is considered to be a benchmark for the Indian stock market and is often used as a barometer for the performance of the Indian economy.

The Nifty 50 was first introduced in 1996 and has since become one of the most widely tracked indices in India.

The index is calculated using free float market capitalization weighted methodology, which means that the weight of a stock in the index is determined by the market value of that stock and the number of shares available for trading.