S&P BSE SENSEX® is calculated using the "Free-float Market Capitalization" methodology. As per this methodology, the level of index at any point of time reflects the Free-float market value of 30 component stocks relative to a base period.

How are Sensex points calculated?

As the formula of Sensex= (total free float market capitalization/ Base market capitalization) * Base index value. The base year to calculate Sensex is 1978-79, the base value is static but it has to be changed. According to BSE Rs. 2501.24 crore is to be used as the base market capitalization.

What is Sensex point?

The term Sensex refers to the benchmark index of the BSE in India. The Sensex is comprised of 30 of the largest and most actively traded stocks on the BSE and provides a gauge of India's economy. It is float-adjusted and market capitalization-weighted. The Sensex is reviewed semiannually each year in June and December.