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The BSE SENSEX, officially known as the S&P BSE SENSEX, is a benchmark stock market index of the Bombay Stock Exchange (BSE) in India. Established in 1986, it is one of the oldest stock indices in the country and serves as a barometer for the Indian equity market. The index comprises 30 of the largest and most actively traded companies across various sectors, reflecting the overall performance and health of the Indian economy.
The term SENSEX is a portmanteau of "Sensitive Index." It represents a free-float market capitalization-weighted index that tracks the performance of 30 financially sound and well-established companies listed on the BSE. These companies are often referred to as "blue-chip" firms due to their large market capitalization, liquidity, and significant contribution to the economy.
The SENSEX holds significant importance for several reasons:
The SENSEX is calculated using the free-float market capitalization methodology, which considers only the shares readily available for trading in the market, excluding promoter-held and other locked-in shares.
Key Components:
This methodology ensures that the index reflects the market dynamics by giving more weight to companies with higher free-float market capitalization.
The SENSEX comprises 30 companies selected from various sectors to provide a comprehensive snapshot of the market. These companies are leaders in their respective industries and are chosen based on criteria such as market capitalization, liquidity, and sector representation.
Examples of Constituent Companies:
The diversity of sectors includes finance, information technology, energy, consumer goods, and more, ensuring the index represents the broader economy.
The performance of the SENSEX offers valuable insights into the financial landscape:
For investors, understanding the SENSEX is crucial:
The SENSEX has achieved several significant milestones since its inception:
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