Why the Nse Ipo Is Happening Now, After Almost a Decade of Waiting

The NSE IPO is one of the biggest market events India has seen in years. But here is the part most people do not know. This share sale was first planned back in 2016. It then got stuck for almost ten years. This guide explains, in very simple words, why the NSE IPO is finally happening now, what held it back for so long, and what changed to clear the road.

In short: The NSE IPO was first filed in 2016 but never got approval, mainly because of a case about unfair access at NSE's trading systems, known as the co-location case. For years, NSE could not get the clearance it needed to list. In 2026, NSE agreed to pay a large settlement to the regulator SEBI, the courts closed the pending appeals, and SEBI then gave its go-ahead. With the old problem settled and long-waiting shareholders wanting to sell, the NSE IPO is now moving ahead.

NSE is the National Stock Exchange of India. It is the company that runs India's largest stock exchange, where most share and derivatives trading happens. The NSE IPO is NSE's plan to sell some of its shares to the public for the first time.

One point makes this IPO special. It is a full offer for sale. That means existing owners of NSE are selling part of their shares to the public. NSE, the company, is not raising fresh money for itself. We will come back to why that matters.

NSE first filed its draft IPO papers with SEBI, the market regulator, in 2016. The plan then was to sell about a 22 percent stake and raise close to Rs 10,000 crore.

But an IPO cannot go ahead on its own. The exchange needed a no-objection certificate, or NOC, from SEBI. NSE never received that NOC in those years. So the 2016 plan could not move forward.

The main reason for the delay was a case that started around 2015, known as the co-location case.

Co-location is a service where trading members can place their computer servers very close to the exchange's own systems. This helps their orders reach the exchange a tiny bit faster. The allegation was that a few high-speed traders got unfair or early access to NSE's trading data through this facility, which is not supposed to happen. There were also related concerns about the use of leased lines called dark fibre, and about governance at NSE.

Because of this, NSE and some of its people received show-cause notices from SEBI in 2017 and 2018. A show-cause notice is a formal letter from the regulator asking a party to explain its actions. While such a serious case was open, SEBI was not going to clear the exchange to sell shares to the public.

In 2019, SEBI passed an order in the co-location matter. NSE was directed to pay a large sum, reported to be more than Rs 1,000 crore, over the lapses at its co-location facility.

The case, and the steps that followed, meant NSE still could not get the NOC it needed to list. So the NSE IPO stayed on hold year after year. Many people who had bought NSE shares privately kept waiting for a chance to sell, and that chance did not come.

The big change was a settlement. As disclosed in its offer document, NSE agreed to pay about Rs 1,491.21 crore to settle the co-location and dark fibre proceedings with SEBI. In news reports, this was described as one of the largest settlements ever reached with the regulator.

A settlement is a way to close a case by agreement, without the matter dragging on in courts for more years. Once NSE completed this payment, the last legal knots began to open.

A few steps came together in 2026 to finally clear the NSE IPO.

First, NSE filed a fresh draft offer document (the DRHP) with SEBI in June 2026. Second, the Supreme Court disposed of the pending appeals in early September 2026, after the settlement payment. Third, SEBI issued its observation letter on 4 September 2026, which is a key green light before an IPO can open.

There was also strong pressure from shareholders. Many investors had held NSE shares for over a decade and wanted a way to sell. With the case settled and the approvals in place, the path was finally clear.

As per the offer document and news reports, the NSE IPO is a full offer for sale of up to 14.89 crore shares, which is close to a 6 percent stake. Around 20 large institutional shareholders are the sellers.

Reports peg the issue size at close to Rs 30,000 crore, and describe it as the largest IPO in India by size so far. Some reports also mention a targeted valuation of about USD 55 billion for NSE. Please treat the valuation and the final size as reported figures, not official numbers. NSE confirms the exact price band and size only in its final offer document.

For an ordinary investor, the main lesson here is about how the process works, not about whether to buy. A company cannot simply decide to list. It needs regulatory clearance, and open cases can hold an IPO back for years, as they did here.

It also shows why reading the offer document matters. The same document that lists the good points of a business, like NSE's strong position, also lists its past issues and risks, like the settled case. A big name in the news does not remove risk, and returns are not guaranteed.

The NSE IPO waited almost ten years because of the co-location case and the approvals it blocked. A large settlement with SEBI in 2026, the closing of court appeals, and SEBI's observation letter finally cleared the way. The IPO is a full offer for sale by long-waiting shareholders, and the dates and valuation in the news are reported plans, not final facts.

Ans. The main reason was the co-location case that began around 2015, about alleged unfair access at NSE's trading systems. While the case was open, SEBI did not give NSE the no-objection certificate needed to list, so the IPO stayed on hold.

Ans. Co-location lets traders place their servers close to the exchange for faster access. The allegation was that a few high-speed traders got unfair or early access to NSE's data. There were also concerns about dark fibre lines and governance.

Ans. NSE agreed to pay about Rs 1,491.21 crore to settle the case with SEBI. The Supreme Court then closed the pending appeals in early September 2026, and SEBI issued its observation letter on 4 September 2026, clearing the way.

Ans. No. It is a full offer for sale, so existing shareholders are selling part of their holdings. The company is not raising new money from this issue.

Ans. Reports put the issue at up to 14.89 crore shares, close to a 6 percent stake, and a size near Rs 30,000 crore, described as the largest in India so far. These are reported figures, not official until NSE confirms them.

• NSE Draft Red Herring Prospectus (DRHP), 2026: offer structure, the 2016 filing, and the settlement amount disclosed by NSE.

• SEBI: the 2019 co-location order and the September 2026 observation letter.

• Supreme Court of India: disposal of the pending appeals in early September 2026.

• `Figures and dates were checked against reports in the financial press at the time of writing. Please confirm them against NSE's official offer document before relying on them.

Written by: Shrutam Mogra (Equity Research Analyst)