NSE IPO 2026: OFS Window Open, April 27 Deadline Nears

Introduction to NSE's Public Offering

The National Stock Exchange of India (NSE) has formally commenced the process for its highly anticipated Initial Public Offering (IPO). The exchange has started contacting its existing shareholders, inviting them to participate in an Offer for Sale (OFS). This development marks a significant step towards the public listing of India's largest stock exchange, an event that could see the company raise over ₹20,000 crore, making it one of the largest IPOs in the country's history. The entire issue is structured as an OFS, meaning the company will not issue new shares, and all proceeds will go to the selling shareholders.

The Expression of Interest (EOI) Process

NSE has circulated an Expression of Interest (EOI) form to its shareholders, providing a formal mechanism for them to indicate their willingness to sell their holdings in the upcoming IPO. This is a critical preliminary step that allows the exchange to determine the pool of selling shareholders and the potential size of the offer. Shareholders have been given a strict deadline of 5 PM on April 27, 2026, to submit their EOIs. It is important to note that submitting an EOI is an indication of interest and does not guarantee that the shares will be included in the final offer. The final allocation will depend on the terms and conditions of the IPO.

Strict Eligibility Criteria for Shareholders

To ensure compliance with regulatory norms and a smooth offering process, NSE has outlined specific eligibility conditions for shareholders wishing to participate in the OFS. Only investors who meet these criteria will be able to tender their shares.

The primary requirements are:

1. Continuous Holding Period: Shareholders must have held their NSE shares continuously since June 15, 2025. This aligns with the Securities and Exchange Board of India (SEBI) regulation that mandates a one-year holding period before the filing of the Draft Red Herring Prospectus (DRHP).
2. Fully Paid-Up Shares: The equity shares intended for sale must be fully paid-up.
3. Free from Encumbrances: The shares must be free from any legal restrictions, such as court orders, liens, pledges, or other transfer restrictions.

Investors who acquired shares after the June 15, 2025 cut-off date will not be eligible to participate in this OFS.

Key Restrictions and Lock-in Rules

Shareholders considering participation should be aware of two significant restrictions. First, any shareholder who chooses to sell their stake through the OFS will be ineligible to apply for shares in the IPO as an investor. This rule prevents individuals from simultaneously selling their existing stake and buying into the new offering. Second, any pre-IPO shares held by a shareholder that are not sold during the OFS will be subject to a mandatory lock-in period of six months from the date of allotment. This measure is intended to prevent excessive selling pressure immediately after listing and promote price stability.

IPO Structure and Scale

The NSE IPO is structured entirely as an Offer for Sale, which means the exchange itself is not raising primary capital. The proceeds from the sale of shares will go directly to the existing shareholders who offload their stakes. The offering is expected to involve the sale of approximately 4% to 4.5% of NSE's total equity. Based on current valuations in the unlisted market, the issue size is estimated to be between ₹20,000 crore and ₹23,000 crore, positioning it as a landmark transaction in Indian capital markets.

A Record Advisory Network

Highlighting the complexity and scale of the public offering, NSE has appointed a record number of 20 merchant bankers to manage the issue. This extensive advisory team includes prominent names like Kotak Mahindra Capital, Morgan Stanley, JPMorgan Chase, SBI Capital Markets, and Citigroup. The large number of intermediaries surpasses previous records and reflects the diverse and widespread nature of NSE's shareholder base.

Key IPO Details at a Glance

Timeline and What to Expect Next

With the EOI submission process now active, the next major milestone for NSE will be the filing of its DRHP with SEBI. Following the April 27 deadline, the exchange will verify the EOIs and finalize the list of participating shareholders. The DRHP is expected to be filed by the end of May or early June 2026. Once SEBI approves the prospectus, the exchange can proceed with the book-building process and launch the IPO, which could take place in the latter half of the year.

Market Impact and Analysis

The initiation of the OFS process is a clear signal that the long-awaited NSE IPO is moving into its final stages. The strict eligibility criteria are designed to reward long-term investors and curb speculative activity. For the market, the listing of the country's largest exchange is a significant event that will provide investors with direct exposure to the performance of India's capital market infrastructure. The OFS structure provides an exit opportunity for existing investors, including several institutional and early-stage backers.

Conclusion

The NSE has set a clear path for its public listing by initiating the Offer for Sale process. Existing shareholders now have a firm deadline of April 27, 2026, to decide on their participation. The next few months will be critical as the exchange moves towards filing its DRHP and completing the regulatory formalities. The successful listing of NSE will be a defining moment for the Indian stock market, adding a crucial entity to the list of publicly traded companies.