The S&P BSE LargeCap index consists of the top 98 companies in the large-cap segment that are listed on the Bombay Stock Exchange. The constituents represent the top 70% of the total market capitalisation of the S&P BSE AllCap index.

The primary objective of the BSE LargeCap index is to measure the performance of the large-cap segment of the Indian stock market, comprising established and financially stable companies with a significant market presence. The top five sectors include finance, oil & gas, information technology, FMCG, and transport equipment.

The index committee ranks the constituents of the S&P BSE AllCap index based on their cumulative average daily total market capitalisation. The top 70% are assigned to the S&P BSE LargeCap index.

The index is regularly reviewed in March, June and December and is rebalanced each year in September.

Investing directly in the S&P BSE LargeCap is not possible since it is a market index. However, Index Funds that invest in the same constituents at the same weightage provide direct replication of its performance.

Some large-cap mutual funds may feature constituents of the BSE LargeCap index, providing partial exposure. Alternatively, you can invest directly in individual stocks that are constituents, though this requires thorough research and investing in the same proportion and weightage as the index.