The S&P BSE Sensex, also known as the BSE 30, is a stock market index that measures the performance of the top 30 companies listed on the Bombay Stock Exchange (BSE) in India. The index is considered to be a barometer of the Indian stock market and is widely used as a benchmark for the performance of the Indian economy.The S&P BSE Sensex is based on market capitalization, meaning the companies included in the index are weighted according to their market value. The index is calculated using free float market capitalization weighted methodology, where the level of the index reflects the total free float market value of all the companies in the index relative to a particular base period.The index was first introduced in 1986 and is considered to be one of the oldest indices in the country. The index is widely followed by investors, fund managers, and analysts as it reflects the overall performance of the Indian stock market.The S&P BSE Sensex is also considered to be one of the most important indices in the world and is a component of the Dow Jones Global Index. The index is also included in the S&P Global BMI Index, which is a subset of the S&P Global Broad Market Index, which includes more than 6,000 companies from around the world.
