NSE Market Debut has propelled it into the league of India’s most valuable companies, with the exchange valued at Rs 4.45 trillion after listing. The NSE shares opened at Rs 1,800 on September 24, just a premium of 0.84% to the IPO price of Rs 1,785, resulting in a market capitalisation of about Rs 4.45 trillion.

Key Highlights

• NSE Market Debut had valued the exchange at Rs 4.45 trillion, which is almost double that of BSE, MCX and IEX combined.
• NSE shares listed at Rs 1,800, gaining 0.84% over the IPO price of Rs 1,785.

NSE has also become the largest listed stock exchange in the country in terms of market capitalisation in the listing. Market data quoted by Business Standard shows that its valuation is almost double compared to the combined market capitalisation of BSE, Multi Commodity Exchange (MCX) and India Energy Exchange (IEX).

NSE Market Debut Pushes Valuation to Rs 4.45 Trillion

The NSE's market capitalisation was trading at around Rs 4.45 trillion when trading was inaugurated. BSE closed at Rs 1.31 trillion, followed by MCX at Rs 86,875 crore and IEX at Rs 9,973 crore at around 10 AM with regard to market capitalisation.

The combined value of the three listed exchange businesses was around Rs 2.28 trillion, which is nearly half of NSE's post-listing valuation.

The opening price of the NSE IPO is set at Rs 1,785 per share, or an approximate valuation of the exchange before listing of Rs 4.42 lakh crore. The Rs 22,569-crore problem was just an offer for sale and the proceeds from the share sale went into the account of the shareholders.

Why Is NSE Among India’s Most Valuable Companies?

NSE's valuation is indicative of its leading position in the Indian capital markets. The exchange trades in equity, equity derivatives, currencies, debt, clearing, indices, data services and technology solutions.

In the market report, NSE cited that it accounted for 92.99% of India's cash-market turnover, 99.79% of equity futures and 74.71% of equity options premium turnover in FY26.

By June of 2026, NSE had 132.4 million unique registered investors, 1,328 trading members and 3,005 listed entities.

Also Read: NSE IPO GMP Day 3: Issue Gets 5.67x Subscription, GMP Falls to 2%

NSE vs BSE: How Does the Market Capitalisation Compare?

The comparison highlights the scale of NSE's valuation relative to India's other listed exchange operators.

However, market capitalisation is only one way to assess an exchange business. Trading volumes, transaction fees, product mix, regulatory changes and profitability can materially influence future earnings and valuations.

What Makes NSE’s Business Model Different?

The exchange operates as an integrated market infrastructure platform rather than only a venue for equity trading. Its ecosystem includes trading, clearing, listing, indices, market data and related technology services.

This broader business model was highlighted by Ventura's head of research Vinit Bolinjkar, who pointed to NSE's multi-asset ecosystem as a differentiating factor compared with BSE, MCX and IEX.

Exchange revenues, however, remain closely linked to market activity. Changes in trading volumes, fee structures and regulations can therefore affect the financial performance of exchange operators.

What Are the Key Risks for NSE After Its Market Debut?

NSE's market debut comes amid increased scrutiny of the exchange's dependence on derivatives activity. Options transaction charges accounted for more than 60% of NSE's operating revenue in FY26, according to reporting around the IPO.

Regulatory changes affecting derivatives trading, transaction charges or market structure could therefore influence future revenue growth.

The exchange also faces valuation considerations. NSE was priced at around 43 times FY26 earnings at the IPO price, making future trading volumes and earnings growth important factors for investors assessing its post-listing valuation.

What Does NSE’s Listing Mean for India’s Stock Market?

The NSE Market Debut marks a major change for India's exchange industry because investors can now directly participate in the ownership of the country's largest exchange operator.

The IPO also creates a publicly traded benchmark for the valuation of India's exchange businesses. BSE, MCX and IEX can now be compared with NSE using publicly available market valuations, although their business models and revenue exposure differ.

NSE's listing also follows a decade-long journey towards becoming a publicly traded company. Its shares began trading on the BSE on September 24, while they were also admitted for trading on the Metropolitan Stock Exchange of India (MSEI).