The Curious Case of the Silent Exchange
The institution at the heart of this curious headline is the 118-year-old Calcutta Stock Exchange (CSE). For years, this once-bustling hub of commerce has been mostly dormant, with active trading ground to a halt. In fact, the situation became so quiet
that the exchange filed an application with the Securities and Exchange Board of India (SEBI) in early 2025 for a voluntary exit from the business. Yet, during this period of near-total inactivity, its financial records for the fiscal year ending March 2025 told a surprising story: an income of ₹26 crore. This wasn't a result of a sudden trading frenzy but a demonstration of how modern financial institutions can generate revenue from assets, not just activity.
Where Did the Money Come From?
The ₹26 crore didn't appear out of thin air. It came from two primary, non-trading sources that highlight the hidden financial machinery of an exchange. The first and most significant source was bank interest. The Calcutta Stock Exchange has a net worth reported to be over ₹300 crore. A significant portion of this is held as cash reserves, which sit in bank accounts and earn substantial interest. This is often referred to as treasury income, where an organisation's own capital works for it. Recently, its coffers were further bolstered by the sale of a large parcel of land for ₹253 crore. The second revenue stream came from annual listing fees. Companies pay exchanges a recurring fee to have their shares listed and available to the public. Even if trading in those shares is minimal or non-existent, the fee is still due. For an older exchange like the CSE, which has many companies exclusively listed on its board, these small, steady fees add up to a reliable source of income year after year.
The Modern Exchange: More Than a Marketplace
The CSE's situation, while extreme, is a window into the diversified business model of all modern stock exchanges. Major players like the National Stock Exchange (NSE) and BSE are no longer just platforms for executing trades; they are massive financial technology companies. Transaction charges, especially from the booming derivatives market, remain a core part of their income. However, a large and growing portion of their revenue comes from other avenues. They sell real-time market data to traders, analysts, and financial media. They charge for co-location services, allowing high-frequency trading firms to place their servers right next to the exchange's systems for faster access. They license their flagship indices, like the Nifty and Sensex, to be used for mutual funds and ETFs. Furthermore, they run robust clearing and settlement services, charging fees to ensure that trades are completed smoothly and securely. These diversified streams make them far more resilient to the ups and downs of market trading volumes.
Resilience, Revival, and Relevance
For the Calcutta Stock Exchange, this ability to generate income without trading is not just a financial curiosity; it's the key to its potential survival and revival. The exchange is now reportedly seeking to withdraw its exit application and revamp its operations with a new technology backbone. Such a turnaround requires significant capital investment in trading infrastructure and disaster recovery systems. The ₹26 crore earned in FY25, and the underlying assets that generated it, provide a crucial financial cushion. This income demonstrates a level of stability that makes its comeback plans more credible. It means the exchange can fund its own revitalisation without being dependent on trading volumes that it has yet to attract, giving it a fighting chance to reclaim a measure of its former relevance in India's financial landscape.
















