The Bombay Stock Exchange (BSE) is located in Mumbai, India and is the oldest stock exchange in Asia, founded in 1875. It has over 5,085 listed companies and a market capitalization of over $1.63 trillion. The BSE is home to the SENSEX index, which tracks the performance of 30 large companies across key sectors. Though it has a similar market cap to the National Stock Exchange, the BSE has lower daily trading volumes. The BSE traces its origins back to the 1850s and operates trading sessions each day except weekends and holidays.