BSE Opens New Passive Investing Door With Sovereign Bond Index Launch

BSE Index Services Pvt. Ltd., a wholly owned subsidiary of the Bombay Stock Exchange (BSE), has launched a new benchmark aimed at expanding passive investment opportunities in India’s sovereign debt market. The newly introduced BSE India 5 Year Sovereign Bond Index tracks the performance of the benchmark five-year Government of India security and is intended to serve as a reference point for a range of investment products and portfolio strategies.

The index, launched on June 4, 2026, is designed to measure the performance of a single benchmark five-year Indian sovereign bond drawn from the universe of fixed-coupon, plain vanilla government securities. It has been assigned a base value of 100, with its first value date set as April 27, 2018. The index is denominated in Indian rupees and is reconstituted on a monthly basis to ensure alignment with prevailing market conditions.

According to BSE, the index is expected to be used by asset managers for the development of passive investment instruments, including exchange-traded funds (ETFs) and index funds. It may also function as a benchmark for actively managed mutual fund schemes, portfolio management services (PMS), and other fixed-income investment strategies. The exchange said the initiative is aimed at broadening access to sovereign debt exposure while improving transparency in fixed-income performance evaluation.

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At the time of launch, the BSE India 5 Year Sovereign Bond Index stood at 104.52 on a price return basis and 176.51 on a total return basis. Performance data shows that the total return version of the index delivered 2.73% over one year, 7.01% over three years, and 5.83% over five years, with an annualised return of 5.81% since inception.

In contrast, the price return version of the index reflected more subdued performance, registering a decline of 3.40% over the past year, a marginal gain of 0.11% over three years, and a 0.87% decline over five years. Despite this, it has delivered an annualised gain of 0.47% since inception, according to exchange data.

Market participants say the introduction of a dedicated five-year sovereign bond benchmark could deepen India’s passive fixed-income ecosystem by providing a more structured reference point for medium-duration government securities. The move is also expected to support product innovation in the domestic ETF and debt fund space.

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