What is Nifty 50 and Sensex? Sensex was launched in 1986 by BSE and Nifty 50 was launched on 22 April in 1996. Nifty 50 and Sensex are the indices of India. Nifty 50 represents the top 50 companies of India listed on NSE and Sensex shows represent the top 30 companies of India on BSE. Indices represent the country's stock markets. Almost every having a portfolio in the same market of indices can compare their portfolio returns with indices and even mutual also compare their fund returns with indices. How to Nifty is calculated? Step 1: Calculate IWF(Investible Weight Factors) IWF is a unit of floating stock available for trading. IWF is total shares minus (addition of shareholding of the promoter, government holding in the capacity o strategic investor, shares held by promoters through ADR/GDRs, cross-holdings by associates or group companies, Employee Welfare Trust and Shares under lock-in category) and the answer is then divided by total shares. For this, an example is given b