BSE is Asia’s oldest stock exchange, founded in 1875 as a brokers’ association and now a listed, technology-driven financial market infrastructure company that connects capital with opportunity across India. It became the world’s fastest exchange at 6 microseconds and the largest by number of listed companies, while its SENSEX index serves as the primary global barometer for India’s markets. The recurring approach is to own the underlying technology, invest small sums to buy optionality in adjacent ventures, and use its foundational cash equity and listing franchise to fund expansion into derivatives, mutual fund distribution, and international markets. # Business segments Five engines at different stages - a cash equity and listings foundation, a fast-growing derivatives franchise, a dominant mutual fund distribution platform, and an international exchange bet - each built on infrastructure the group already owns. ## 1. Equity cash market and primary listings: the exchange’s original franchise **Asia’s oldest stock exchange is also the world’s largest by number of listed companies, generating revenue from transaction charges on daily trading and recurring annual fees from the companies that list on it.** - **Paid per trade and per listing** - the equity cash segment earns transaction charges linked to market activity, while the primary market collects annual listing fees (recurring, based on the number of listed entities) and one-time processing fees from IPOs and fundraising. - **The world’s biggest roster of listed companies** - as of March 2025, 5,452 companies were listed on BSE, with a combined market capitalisation of ₹412 lakh crores, making it the #7 exchange globally by market cap. - **A record year for new listings** - in FY2026, BSE ranked first globally for IPO listings, welcoming 255 new companies across main board and SME markets that raised Rs. 1.8 lakh crores, with a pipeline of more than 250 active applications to raise a further Rs. 1.75 lakh crores. - **The investor base is deepening fast** - total registered investor accounts crossed 25 crores, with 3.53 crore new accounts added in the past year and 10 Indian states each contributing more than 1 crore registered investors. - **Faster than anyone else** - BSE streamlined the IPO listing process to T+3 days, the fastest turnaround time in the market, which makes its platform more attractive to issuers who want speed to listing. ## 2. Equity derivatives: the relaunched engine that scaled to second in the world **Rel launched in May 2023 with a differentiated expiry-day strategy, BSE’s derivatives segment ranked second globally by contracts traded within a year, driven by its flagship SENSEX options.** - **A telescopic fee structure that rewards volume** - transaction charges in the derivatives segment use a slab system where higher turnover pays lower per-unit charges, encouraging large traders to concentrate volume on BSE. - **SENSEX options became a global top-five contract** - average daily premium turnover reached a record Rs. 19,523 crores in FY26, and on a single day in May 2024 more than 52 crore SENSEX contracts traded, representing a notional turnover of over INR 388 lakh crores. - **Expiry-day innovation created the opening** - the earlier launch of Sensex 50 contracts with a differentiated expiry date lifted BSE’s equity derivative market share from 0.3% to 6.5% in a year, proving that a non-overlapping expiry calendar could pull liquidity away from the incumbent. - **New indices are expanding the product shelf** - BSE received approvals for three new monthly index derivatives - Focused IT, Focused MidCap, and Sensex Next 30 - with the IT index launching in May 2026, broadening the franchise beyond the flagship SENSEX and Bankex contracts. ## 3. BSE StAR MF: India’s largest mutual fund distribution rail **A platform that processes more than 8 in 10 exchange-based mutual fund transactions in India, earning a per-transaction service charge from the fund industry while connecting over 83,000 distributors to investors across 721 cities.** - **The dominant utility for mutual fund transactions** - StAR MF holds more than 85% market share by number of transactions among exchange-based platforms, processing 84 crore transactions in FY26, a 27% increase over the prior year. - **A distribution network that reaches deep into the country** - over 83,280 distributors including fintechs, banks, mutual fund distributors, and portfolio managers use the platform, and a partnership with the Department of Post has onboarded postal workers who have already executed over 1,500 transactions. - **Every type of transaction, in one place** - the platform handles lumpsum, SIP, SWP, STP, and step-up SIP transactions in both demat and non-demat mode, supporting mandate creation through NACH, eNACH, and soon UPI recurring mandates. - **Evolving into a long-term wealth gateway** - BSE launched StAR NPS in April 2026 to bring the National Pension System onto a unified architecture, positioning the platform to capture the full financial lifecycle from a first SIP to retirement. ## 4. India International Exchange (India INX): the GIFT City international bet **A subsidiary exchange operating 22 hours a day from Gujarat’s GIFT IFSC, offering derivatives and debt listing to global investors with a 4-microsecond trading engine and a near-monopoly in bond listings at the centre.** - **The first mover in India’s international financial centre** - India INX commenced trading in January 2017 and is regulated by IFSCA, with BSE holding a 61.9% stake and total investments of Rs. 167.91 crores in the exchange. - **A debt-listing monopoly** - the Global Securities Market platform has a 100% market share in medium-term note establishment and a 98% share in listed bonds at GIFT IFSC, having cumulatively established around USD 82 billion of MTNs and listed around USD 61 billion of debt securities including masala bonds and green bonds. - **Global access through a subsidiary** - India INX Global Access provides a platform for Indian investors to trade on over 150 exchanges across 33 countries, with tie-ups to international brokerages like Interactive Brokers and Indian banks to reduce remittance costs. # BSE Technologies: the shared technology backbone **BSE owns its trading software, built in-house at a fraction of the cost of competitors, and its technology subsidiary develops and licenses solutions across the group and to external exchanges.** - **Built, not bought** - BSE developed its own trading software at a cost of Rs. 12-13 crores, which it claims is 10 times cheaper than competitors, and has given its software to start a new exchange in Mauritius called AFRINEX. - **The engine behind multiple marketplaces** - BSE Technologies provided the trading, matching, risk management, and clearing systems for the International Bullion Exchange at GIFT City, Hindustan Power Exchange, and the group’s own spot agricultural platform BEAM. - **Open-source core with modern overlays** - the exchange’s mission-critical systems run on open-source technologies, while it uses AI and machine learning in surveillance and is revamping its data warehouse to a data-lake architecture. # Group structure and partners **BSE Limited sits at the centre of a consolidated group with wholly owned clearing, index, and technology subsidiaries, majority stakes in its GIFT City exchange and clearing corporation, and a strategic data partnership with Deutsche Börse that is transitioning to direct control.** - Wholly owned subsidiaries include BSE Clearing Limited (the central counterparty for all BSE trades), BSE Index Services (which brought the SENSEX and 200+ other indices fully in-house after buying out S&P Dow Jones’ 50% stake in 2024), and BSE Technologies. - BSE Investments Limited and BSE Administration & Supervision Limited were merged into BSE Technologies effective April 2026, simplifying the group structure. - The GIFT City ecosystem includes India INX (65.27% stake) and India International Clearing Corporation (60.53% stake), plus a 10% stake in the International Bullion Holding company that runs the bullion exchange. - BSE holds a 15% stake in Central Depository Services (India) Limited - reduced from 20% to meet SEBI directives - and a 22.62% stake in Hindustan Power Exchange through its investment subsidiary. - The international market data partnership with Deutsche Börse, in place since October 2013, will be affected by a change in licensing requirements for market data products effective January 1, 2027.