Sensex Today | Stock Market LIVE Updates: BSE Midcap and Smallcap indices are trading flat. Interglobe Aviation, Bharat Electronics, Bajaj Auto, Eternaland HCL Tech are among top gainers on the ... The base year of S&P BSE SENSEX was taken as 1978-79. S&P BSE SENSEX today is widely reported in both domestic and international markets through print as well as electronic media. Track the SENSEX index with live share prices, performance charts, and key metrics like P/E ratio, price-to-book ratio, and market capitalization. Get the latest BSE SENSEX (SENSEX) value, historical performance, charts, and other financial information to help you make more informed trading and investment decisions.