National Stock Exchange's decision to trim its IPO size and price the issue below earlier market expectations has put the spotlight on whether India’s biggest exchange is choosing a safer listing over an aggressive valuation. The IPO valuation has been cut by about 15%, with the issue priced below the levels at which the stock traded in the unlisted market.

The move comes even as the exchange remains one of India’s most profitable and dominant market infrastructure companies.

NSE MD and CEO Ashish Chauhan said the exchange had invited shareholders to tender shares before filing the draft red herring prospectus. He said bankers advised the exchange on pricing, while the IPO size was based on the shares tendered by shareholders on the day of the updated draft red herring prospectus.

NSE IPO is entirely an offer for sale. The exchange will not receive fresh capital from the public issue. Existing shareholders are selling part of their stake to public investors. That means the issue size depends directly on how many shares existing shareholders are willing to sell. If shareholders tender fewer shares, or decide to hold back more stock before listing, the IPO size comes down.

Size cut reflects shareholder tendering

NSE had earlier proposed an offer for sale of up to 14.89 crore shares. The updated filing has reduced the number of shares on offer to about 12.64 crore. The IPO size is now expected to be around Rs 22,500-23,500 crore, lower than the earlier plan of about Rs 30,000 crore. The offer for sale is likely to represent about 5.25% of NSE’s paid-up capital, compared with nearly 6% earlier.

Chauhan's comments suggest the size cut was linked to shareholder participation rather than any change in NSE’s need for capital. Since the IPO is an OFS, the exchange itself is not raising money for expansion, technology investment or debt repayment.

Also Read: NSE IPO: Exchange didn't move an application to trade on its own platform, says CEO Ashish Chauhan

For existing shareholders, the decision to sell less may also reflect confidence in the company after listing. NSE is a rare asset in Indian markets, with a dominant position in equity derivatives, a strong presence in cash equities and deep links to India’s financial-market infrastructure.

IPO pricing set below expectations

Pricing is the bigger investor question. NSE shares have traded at higher levels between 1900-2050 in the unlisted market over the past year, but the IPO is has come at a lower valuation.

"At around 43 times FY26 earnings, NSE would still be valued at a premium to most global exchanges. However, the valuation looks more reasonable when compared with listed Indian market infrastructure peers such as BSE and MCX," said Ishan Tanna, Senior Associate, Ashika Capital.

That makes the pricing decision a balancing act. If NSE priced the IPO too aggressively, it could risk weak demand from public-market investors or poor post-listing performance. If it prices too low, existing shareholders may feel they are leaving value on the table.

The lower pricing appears to be a pragmatic move to leave some upside for new investors and avoid a weak listing. Large IPOs need wide institutional demand, and bankers often prefer a price that gives investors comfort rather than one that only maximises valuation for sellers.

The bigger question is not just valuation, but growth. Around 60% of NSE operating revenue comes from derivatives. That is also a key risk because the options boom is facing regulatory and volume-related headwinds. "The options boom is facing regulatory and volume-related headwinds," Tanna said.

The derivatives business has been a major driver of NSE profitability. But the segment is closely watched by Sebi because of concerns around retail participation, excessive speculation, expiry-day volatility and market stability.

Any tightening in derivatives rules, changes in expiry structures, transaction charges or position limits can affect trading volumes. For NSE, that makes the revenue base powerful but not risk-free.

"At the revised valuation, investors are essentially betting that NSE can move beyond the options boom and compound through India’s broader financialisation, while leveraging its dominance in equities, indices, data and other market segments," Tanna said.

Why lower pricing may work

The reduced valuation can help position the IPO better for public-market investors. It gives the market room to price NSE as a high-quality exchange business without forcing investors to fully pay upfront for future growth.

"Lower pricing appears to be a pragmatic move: leave some upside for public-market investors rather than push for a higher valuation and risk weak demand or poor post-listing performance," Tanna said.

NSE is launching its IPO on September 17, with the anchor book set to open on September 16. The shares are likely to list in the fourth week.