NSE IPO Price Band: Dates, GMP and Lot Size Explained

The National Stock Exchange has set the price band for its own IPO at Rs 1,700 to Rs 1,785 a share, opening bidding on September 17 after a decade of being blocked from listing itself on the exchange it runs. Grey market trackers are already pricing the shares at roughly a 12 percent premium to the top of that band, which is what has driven the sudden spike in searches for “grey market” over the past few hours. Here is what is actually in the offer, what it costs to apply, and what happens between now and listing day.

What happened

NSE filed its red herring prospectus and fixed the price band this week: Rs 1,700 at the floor, Rs 1,785 at the cap, for a lot of 8 shares. That puts the minimum retail application at somewhere between Rs 13,600 and Rs 14,280, depending on where in the band your bid lands. The offer itself has been trimmed to 12.64 crore equity shares, smaller than the roughly 14.9 crore shares once discussed and well below the Rs 30,000 crore-plus size the market was pricing in a year ago. At the top of the band, the issue works out to about Rs 22,569 crore, which still makes it one of the largest IPOs India has seen.

One detail worth being precise about: this is entirely an offer for sale. NSE itself will not receive a rupee of the proceeds. Every share on offer is being sold by existing shareholders, including banks, insurers and other institutions that have held illiquid NSE stock for years and are finally getting a listed, tradeable exit.

Why this is trending now

NSE first filed draft papers for this listing back in 2016. What followed was close to a decade of SEBI show-cause notices over the co-location case, where some brokers were found to have gained faster, unfair access to NSE’s trading systems, and a related dispute over preferential dark-fibre connectivity. SEBI would not clear the IPO while those cases sat open. The logjam only broke this year, when NSE agreed to a settlement of roughly Rs 1,491 crore, combining a fresh demand of about Rs 715 crore with roughly Rs 776 crore it had already deposited with the regulator. SEBI issued its no-objection certificate in August, and this week’s price band is the first concrete result: the country’s largest exchange, the one that lists Reliance and TCS and everything else, is about to list itself.

That backstory is why the grey market premium on this particular IPO is being watched so closely. It is not just another listing; it is a decade-old story finally reaching its last chapter, and the GMP is the market’s real-time verdict on whether the wait was worth it.

Where the grey market premium actually stands

Through the day, trackers have quoted NSE’s unofficial grey market premium anywhere between Rs 191 and Rs 222, which puts the implied listing price somewhere between Rs 1,976 and Rs 2,007, roughly an 11 to 12 percent gain over the top end of the price band. Worth remembering: GMP is an unregulated, over-the-counter number quoted by dealers outside any exchange. It moves by the hour, it has no basis in law, and it has been wrong before on both sides. Treat it as sentiment, not a forecast.

What the number does tell you, in context, is more interesting than the number itself. NSE is by far the biggest, most anticipated IPO opening this week, yet its premium as a percentage of issue price is the smallest of the five mainboard and SME offers currently in the market:

IPO	Price band	GMP	Implied premium	Listing date
NSE	Rs 1,700-1,785	Rs 210	~11.8%	Sept 24
SS Retail	Rs 403-424	Rs 120	~28.3%	Sept 23
Jindal Supreme	Rs 88-93	Rs 27	~29.0%	Sept 23
Hero Motors	Rs 79-84	Rs 24	~28.6%	Sept 23
Sonaselection	Rs 94-99	Rs 0	flat	Sept 24

That is not unusual for an issue this large. A Rs 22,500 crore offer needs deep institutional and foreign participation to move the needle, and that appetite is harder to count on right now than it would normally be, with the rupee having just broken past 95 to the dollar on oil-driven pressure. A weak currency and cautious foreign investors do not sink an IPO of this size, but they are exactly the kind of headwind that keeps a mega-issue’s grey market premium modest even when the underlying story, a monopoly-style exchange finally going public, is as strong as this one.

What happens next

The anchor book, where large institutional investors commit ahead of the public issue, opens on September 16. Public bidding runs September 17 through 21, across the retail, non-institutional and qualified institutional buyer categories, plus a reserved portion at a discounted Rs 1,530-1,615 range for NSE’s own employees. Allotment is expected around September 22, and the shares are tentatively scheduled to list on both NSE and BSE on September 24. Retail investors can bid up to Rs 2 lakh, with a separate high-net-worth-individual band running from Rs 2 lakh to Rs 5 lakh.

FAQs

What is NSE IPO’s GMP today?
Grey market trackers have quoted it between roughly Rs 191 and Rs 222 through the day, implying an 11 to 12 percent premium over the Rs 1,785 upper price band. It is unofficial and changes by the hour.

What is the NSE IPO price band and lot size?
Rs 1,700 to Rs 1,785 per share, in lots of 8 shares, so one lot costs between Rs 13,600 and Rs 14,280.

When does NSE IPO open and list?
Anchor bidding is September 16, public bidding runs September 17-21, allotment is expected around September 22, and listing is tentatively set for September 24 on both NSE and BSE.

Does NSE get any money from this IPO?
No. The entire issue is an offer for sale by existing shareholders. NSE itself raises no fresh capital from the listing.

Why did NSE’s IPO take so long?
SEBI held up approval for close to a decade over the co-location and dark-fibre cases, which alleged some brokers got unfair, faster access to NSE’s trading systems. NSE settled those cases with SEBI for about Rs 1,491 crore, clearing the way for this year’s IPO.

Sources

• Business Standard: NSE IPO price band set at Rs 1,700-1,785, bidding from September 17
• Business Today: IPOs this week: NSE, Hero Motors, SS Retail, Jindal Supreme, Sonaselection
• The Week: NSE IPO opens this week, latest GMP, price band, lot size and important dates
• Outlook Money: SEBI agrees to settle NSE’s co-location case, clearing a major hurdle for the IPO

Updated September 14, 2026. We will update this piece as subscription numbers and fresh GMP data come in through the bidding window.