BSE Sensex

Bombay Stock Exchange (BSE)

As a benchmark of the Indian stock market, BSE Sensex serves as an overview of the country’s financial status. Being one of the oldest stock indices in the world, the BSE Sensex serves as a barometer of investor sentiment, assessing market trends and offering a peek into India’s overall economy.

Introduction to BSE Sensex

The BSE Sensex was introduced on January 1, 1986, by the Bombay Stock Exchange under the leadership of Mr. Deepak Mohoni. It is a stock market index that tracks the performance of 30 of the largest and most actively traded stocks listed on the Bombay Stock Exchange. These 30 companies represent various sectors of the Indian economy, making the Sensex a reliable indicator of the country’s financial health and investor confidence.

It helps investors make informed decisions by providing insights into market trends, economic conditions, and investor sentiment. Whether you are a retail investor or a financial analyst, the BSE Sensex serves as a benchmark for the Indian equities market, often reflecting the health of various sectors such as finance, technology, energy, and consumer goods.

At its inception, this Sensex was valued at 100 points, with its value determined by the free-float market capitalisation method. The first Sensex was calculated based on a simple weighted methodology, with the aim of representing India’s broader market trends and economic movements. Over time, it evolved to represent a broader cross-section of industries and market segments, adjusting to changes in the economic and financial landscape.

Eligibility Criteria for Companies Selected Under BSE Sensex

The selection of companies for the BSE Sensex is carried out by the S&P BSE Index Committee, which evaluates based on five key criteria:

• The company must be listed on the Bombay Stock Exchange in India.
• It should be a large-cap or mega-cap stock.
• The stock must exhibit sufficient liquidity.
• The company needs to generate profits from its core business activities.
• The company should play a role in maintaining a balanced representation of sectors within the country’s equity market.

How is BSE Sensex Calculated?

The BSE periodically reviews and adjusts the composition of the BSE Sensex to ensure it accurately reflects the stock market’s prevailing conditions. Initially, the index was calculated using a market capitalisation-based weighted methodology.

However, since 2003, this approach was updated to adopt a free-float capitalisation method.

Under this method, instead of using a company’s total market capitalisation, only the number of shares available for trading is considered to calculate the index. This excludes restricted shares held by company insiders that are not available for sale.

The formula for this method is:

Free Float Market Capitalisation = Market Capitalisation x Free Float Factor

The free float factor represents the ratio of available shares to total shares outstanding. Using this method, the index level reflects the free-float value of the 30 Sensex-listed companies, relative to a base period.

How to Invest in Sensex?

To begin investing in the Sensex, you need to follow these key steps:

• Open a Demat Account: A Demat account is essential to hold your shares in electronic format, ensuring secure and easy management of your investments.
• Open a Trading Account: After setting up a Demat account, you need to open a trading account as BSE does not permit direct buying or selling of securities. The trading account allows you to buy and sell stocks online.
• Have a Bank Account: Investors are required to have a bank account and a PAN card to facilitate trading on the Sensex, along with a demat and trading account.

Milestones of Sensex in India

The table below highlights the key milestones in the evolution of the Sensex index, showcasing its journey through India’s stock market history:

Conclusion

The BSE Sensex is much more than just a stock market index; it is the heartbeat of India’s financial markets, reflecting the nation’s economic trends and investor sentiment. By offering a reliable and real-time measure of market performance, it helps investors make informed decisions and serves as an essential tool for economic analysis. As India continues to evolve on the global stage, the BSE Sensex will undoubtedly play a key role in charting the country’s financial future. Whether you’re an investor, analyst, or policymaker, understanding the BSE Sensex is crucial to navigating the dynamic landscape of India’s stock market.