BSE INDEX BSEPSU (BSEPSU) live share price today at BSE
01 October, 2025 19:10 | BSE : -78

BSE PSU Index
The BSE PSU Index represents the performance of the public sector undertakings (PSUs) and is defined by the BSE Ltd. The total constituents in the BSE PSU Index are not more than 57, which shall belong to the BSE 500 Index and are representative of the public enterprises that include nine sectors: Finance, Oil & Gas, Power, Metal, Metal Products & Mining, Capital Goods, Transport Services, and many more. The criteria for the reconstitution of the BSE PSU Index are based on the semi-annual review, mainly in the months of June and December.
The BSE PSU Index came into effect on 4th June 2001, with the base date of 1st February 1999, and with the base value of 1000. The shares of the BSE PSU Index have crossed the levels of the highest 8,000 at the P/E multiples of 6.28x, and the average carbon intensity for the weightage of the BSE PSU Index is 2127.30.
Key Aspects of the BSE PSU Index
- The full market capitalisation of the BSE PSU Index is 6,390,616 crores, and the free-float market capitalisation of the Index is ₹2,039,491 crores.
- The P/E Ratio of the BSE PSU Index is 11.73, the P/B Ratio is 2.14, and the dividend yield is 2.54.
- The calculation of the BSE PSU Index is based on the free-float market capitalisation, in which only the inclusion of freely tradable shares is considered.
- The BSE PSU Index is diversified into various sectors such as Financial Services, Energy, Industrials, Utilities, and many more.
- The weightage of the top three sectors is 37.28%, 20.68%, and 18.86%.
- The BSE PSU Index came into effect on 4th June 2001, with the base date of 1st February 1999, and with the base value of 1000.
Eligibility Criteria of the BSE PSU Index
- The share price of the BSE PSU Index shall be based on the float-adjusted market capitalisation, and the calculation of the divisor shall be based on the S&P Dow Jones equity indices.
- The companies included in the BSE PSU Index must be incorporated in India and have their stocks listed on the Bombay Stock Exchange.
- The companies shall belong to the PSU sector by the BSE sector classification system.
- The shares held by the central government, state government, or jointly by both the central and state governments shall not be more than 51%.
- Inclusion of only common stocks in the BSE PSU Index, and exclusion of the DVRs from this Index.
- Companies that follow the scheme of the arrangement, spin-offs, and capital restructuring shall have a listing history of at least one month for inclusion in the BSE PSU Index.
Formulation and Calculation of the BSE PSU Index
The BSE PSU Index will be calculated based on free-float market capitalisation. It helps investors invest in the BSE PSU Index with the most reliability. The BSE PSU Index enables investors to understand the behaviour and performance of all banks in the private sector. So that investors have access to data and different sectors in which they can invest in the BSE PSU Index.
The BSE PSU Index is calculated by multiplying the stock price by the free-float shares and then summing the values obtained by multiplying the above value. The value is then divided by the base Index Value, which enables the splitting of the dividends. The update in the real-time value shall be made during trading hours and will also assist in calculating the BSE PSU Index Value.
The Free-float market capitalisation refers to the freely traded shares on the platform of the Bombay Stock Exchange. There will be an exclusion of shares held by the government, promoters, investors, and analysts. The Calculation of the BSE PSU Index will help investors to analyse all kinds of banks, whether private or small.
BSE PSU Index Formula: Total Free-Float Market Capitalisation * Base Index Value / Base Market Capitalisation
Calculation for the free-float market capitalisation is done as Market Capitalisation* Free Float Factor.
Advantages of the BSE PSU Index
- The BSE PSU Index comprises primary public sector undertakings (PSUs), which help investors provide exposure to companies backed by the Government of India.
- The regular policy support must be given by the government of India, which can positively impact the PSU companies.
- PSU stocks are mostly undervalued compared to their private peers, offering investors an opportunity to enter at relatively lower price-to-earnings ratios.
Disadvantages of the BSE PSU Index
- The BSE PSU Index suffers from a bureaucratic decision-making process that leads to delays in business actions and approvals across multiple layers.
- The uncertainty may arise due to the changes in the government policies, rules and regulations, and due to the technological adoption for innovative creation.
- The reduction in the ownership stakes shall also happen, which leads to the disinvestment of the PSUs, and may face many delays. Capital allocation decisions often reflect the government's budget for the optimal return in the future.
How to Invest in the BSE PSU Index
There are various methods by which investing in the BSE PSU Index can be done. The investor may choose a broker who helps them select high-potential stocks in the public sector undertaking. As we know, the public sector undertakings are constantly innovating and growing at a high level, which allows investors to grow and increase profitability in the long term. The BSE public sector undertaking Index Stocks offer a diversified portfolio to investors, enabling them to select the most reliable stocks for the long term.
Investors seeking a passive approach should consider investing in the BSE Public Sector Undertaking Index. The proportion of each sector in the BSE Public Sector Undertaking provides a different balance to the BSE Public Sector Undertaking.
The most suitable way to invest in the BSE Public Sector Undertaking Index is through mutual funds and ETFs, which is also a reliable method for investing in the diversified basic materials sector. Investing can be done through trading in the Futures and Options of the Basic materials sector, which also provides long-term growth and stability.
Conclusion
The BSE PSU Index represents the performance of the public sector undertakings (PSUs) and is defined by the BSE Ltd. The total constituents in the BSE PSU Index are not more than 57, which shall belong to the BSE 500 Index and are representative of the public enterprises that include nine sectors: Finance, Oil & Gas, Power, Metal, Metal Products & Mining, Capital Goods, Transport Services, and many more. The share price of the BSE PSU Index shall be based on the float-adjusted market capitalisation, and the calculation of the divisor shall be based on the S&P Dow Jones equity indices.
The BSE PSU Index will be calculated based on free-float market capitalisation. It helps investors invest in the BSE PSU Index with the most reliability. The BSE PSU Index enables investors to understand the behaviour and performance of all banks in the private sector. PSU stocks are mostly undervalued compared to their private peers, offering investors an opportunity to enter at relatively lower price-to-earnings ratios.
FAQs
What is the BSE PSU Index?

The BSE PSU Index represents the performance of the public sector undertakings (PSUs) and is defined by the BSE Ltd. The total constituents in the BSE PSU Index are not more than 57, which shall belong to the BSE 500 Index and are representative of the public enterprises that include nine sectors: Finance, Oil & Gas, Power, Metal, Metal Products & Mining, Capital Goods, Transport Services, and many more.
What are the risks involved in the BSE PSU Index?

The reduction in the ownership stakes shall also happen, which leads to the disinvestment of the PSUs, and may face many delays. Capital allocation decisions often reflect the government's budget for the optimal return in the future.
How to calculate the BSE PSU Index?

The BSE PSU Index will be calculated based on free-float market capitalisation. It helps investors invest in the BSE PSU Index with the most reliability. The BSE PSU Index enables investors to understand the behaviour and performance of all banks in the private sector. BSE PSU Index Formula: Total Free-Float Market Capitalisation * Base Index Value / Base Market Capitalisation
Calculation for the free-float market capitalisation is done as Market Capitalisation* Free Float Factor.
What are the eligibility criteria of the BSE PSU Index?

The share price of the BSE PSU Index shall be based on the float-adjusted market capitalisation, and the calculation of the divisor shall be based on the S&P Dow Jones equity indices. The shares held by the central government, state government, or jointly by both the central and state governments shall not be more than 51%.
