NSE IPO 2026: Everything CA/CS Professionals Need to Know

After nearly a decade of delay, the National Stock Exchange of India Ltd (NSE) has finally brought its long-awaited IPO to market. For professionals advising clients on IPO investments, compliance, or market-linked instruments, here's a complete rundown.

Timeline and Structure

NSE filed its Draft Red Herring Prospectus (DRHP) with SEBI on 17 June 2026 and received the regulatory no-objection to proceed shortly after. The issue opened for subscription on 17 September 2026 and closed on 21 September 2026, with allotment expected on 22 September and listing scheduled for 24 September 2026. In an interesting quirk, NSE's own shares will list on the BSE, since an exchange cannot list on itself.

Issue Size and Pricing

The price band was fixed at ₹1,700 to ₹1,785 per share, with the total issue size at ₹22,561.57 crore, comprising 12.64 crore equity shares. At the upper band, this implies a market capitalisation of roughly ₹4.42 lakh crore, making it the second-largest IPO in Indian history, behind only Hyundai Motor India's ₹27,870 crore issue in 2024. Earlier market chatter had pointed to a larger ~₹31,500 crore issue at a ₹5.2-5.3 lakh crore valuation, but the final filing trimmed the offer size.

Structure: Pure Offer for Sale (OFS)

This is a 100% Offer for Sale - no fresh issue component. That means NSE itself receives no proceeds; every rupee raised goes to existing shareholders exiting their stakes. Selling shareholders include the State Bank of India, Canada Pension Plan Investment Board, Aranda Investments (Mauritius), and MS Strategic (Mauritius), among others.

Regulatory Backdrop Worth Noting

NSE's IPO journey has been unusually long - the exchange first filed a DRHP in 2016, which SEBI returned in 2019 pending resolution of the co-location controversy. Fresh filings followed in 2022, with SEBI flagging governance and technology-related deficiencies over subsequent years. The exchange also paid a ₹6.04 crore penalty in May 2026 relating to a 2024 technical glitch, along with smaller fines for earlier disruptions - a track record worth flagging to clients evaluating the stock, even though it isn't disqualifying.

Why This Matters for Professionals

Beyond the investment angle, this listing is a useful live case study for CS/CA trainees on SEBI ICDR Regulations, OFS mechanics, DRHP-to-listing timelines, and how market infrastructure institutions (MIIs) navigate governance scrutiny before going public.