As the much-awaited National Stock Exchange of India (NSE) made its D-Street debut on Thursday, investors who missed out on the ₹22,562-crore initial public offering (IPO) — either by not applying or failing to secure an allotment — now face a different question: should they buy the shares after listing, wait for a possible correction or look at rival BSE instead?

NSE shares listed at Rs 1,800 apiece on the BSE, a premium of 0.80% over the IPO issue price of Rs 1,785 per share.

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The listing marks the beginning of price discovery for NSE shares in the secondary market, after the IPO, which closed for subscription on September 21, was subscribed 5.71 times overall.

The public issue was entirely an offer for sale (OFS) of 12.64 crore shares, meaning the proceeds from the issue went to the selling shareholders rather than to NSE.

For investors who did not receive an allotment, however, the listing is not the end of the opportunity to gain exposure to India's largest stock exchange. It instead opens up three possible routes — buying NSE shares after listing, waiting for the initial excitement to settle and looking for a lower entry point, or considering listed rival BSE.

Should you buy NSE after listing?

Analysts said investors who missed the IPO allotment should not base their decision solely on the stock's listing-day performance, given the possibility of volatility as the market discovers the appropriate valuation.

"For investors who missed the NSE IPO allotment, the listing day may see volatility as the market discovers the right valuation. At the upper price band, NSE was valued at around 43x FY26 earnings, which already reflects strong market leadership. Therefore, investors should avoid making a decision purely on listing momentum," said Saurabh Jain, Head of Fundamental Research, SMC Global Securities.

According to Jain, investors should monitor the listing price, valuation, earnings outlook and regulatory risks, and consider buying gradually if the stock offers a more comfortable valuation after any correction.

Ratiraj Tibrewal, CEO, Choice Capital Advisors, also expects the limited initial float to be a factor in the stock's early price movements.

"Only about 5 percent of the company is being sold, and a chunk of that sits with anchor investors who are locked in for 30 to 90 days. Realistically, closer to 3.5 percent trades on day one, and less than that if institutions sit tight," Tibrewal said.

"A float that thin can swing the price sharply either way, so early prices may not tell you much about what the business is worth," he added.

Tibrewal said investors should also keep an eye on the end of the six-month lock-in period for pre-IPO shareholders, around late March 2027, when a much larger quantity of shares becomes sellable.

"That is a genuine supply event. If you want to own it, the sensible approach is to build the position gradually rather than commit everything on day one. Buying into a listing pop is how people end up paying the highest price of the year," he said.

Avinash Gorakshakar, Founder and Head of Research, Avinash Mentor Research Services, said investors with a two-to-three-year investment horizon can consider buying the stock.

"For a massive, highly anticipated market debut like the National Stock Exchange (NSE) IPO — which saw heavy institutional demand and significant investor interest — missing out on the allotment is common. One can definitely consider buying for the long term if one's view is for the next 2-3 years," Gorakshakar said.

He highlighted NSE's market position, saying the exchange commands roughly 93% of the cash market and nearly 99.7% of equity futures. Despite having fewer total listed companies than BSE, NSE generates more than three times the operating revenue and roughly four times the net profit of BSE, he said.

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Should you Buy NSE or BSE instead?

For investors looking to gain exposure to the exchange business without buying NSE immediately after its listing, BSE is another listed option. Analysts, however, pointed to differences in the growth profiles and business structures of the two exchanges.

"NSE and BSE have different growth profiles. NSE has a dominant position in the cash market and equity derivatives, providing strong scale, liquidity and earnings visibility. BSE, meanwhile, has been gaining traction in derivatives and has delivered strong recent growth from a smaller base," Jain said.

He said investors should compare the two stocks on market share, earnings growth, valuation, product expansion and regulatory risks.

"Rather than looking only at past performance, the key is whether the current market valuation adequately reflects each exchange's future growth potential," Jain added.

Tibrewal said NSE and BSE represent different investment propositions.

"NSE and BSE are not the same trade, so the answer depends on what you are buying for," he said.

According to Tibrewal, BSE has been the stronger performer, with higher returns on equity and faster growth over the last three years. However, he said a large part of that growth came from gaining index options share after SEBI gave each exchange a single weekly expiry day.

"That was a one-time structural gain, and its earnings are now quite leveraged to holding on to it," he said.

NSE, meanwhile, is the larger and broader business, Tibrewal said, with more than 92% of cash market turnover, nearly all of equity futures, as well as its clearing arm, the Nifty franchise and data business.

"Growth has been slower and FY26 was a down year, but the base is far more diversified," he said.

"Roughly speaking, BSE is the momentum call and NSE the dominance call. If options share normalises even partly back toward NSE, the two move in opposite directions. That single variable explains most of the difference between them," Tibrewal added.

Disclosure: This article has been written by Kumar Gaurav, who is not a SEBI-registered Research Analyst or an Investment Adviser. Gaurav and their ‘relative(s)’ (as defined under Section 2(77) of the Companies Act, 2013) do not hold any financial interest in the companies mentioned in this article as of the date of publication. The views/recommendations mentioned in this article, wherever applicable, are those of the respective SEBI-registered Research Analyst/brokerage and have been reproduced/reported with due attribution. They should not be construed as the views or recommendations of The Economic Times Digital or the journalist. Readers are advised to consider the original research report and make their investment decisions based on their own assessment. Brokerage disclaimers here