Few things in the market generate as much excitement as a hot new listing. A buzzy company goes public, the financial press is breathless, and the temptation to grab shares on the very first day can be intense. But buying on day one, whether a traditional IPO or a company arriving via a SPAC, is often closer to gambling than investing. This guide explains what IPOs and SPACs actually are, how each works, and why that first day frenzy is a poor moment to buy, along with a calmer approach for anyone tempted. What IPOs and SPACs Are Both IPOs and SPACs are routes for a private company to become publicly traded, but they work very differently. In a traditional initial public offering, as the SEC describes, a private company sells shares to the public for the first time, filing a detailed prospectus and pricing the shares with investment bankers before trading begins. A SPAC takes a stranger path: as the SEC explains, it is a blank check shell company that first raises money through its own IPO, then goes hunting for a private company to merge with later. The result, for an ordinary investor, is two rather different things wearing similar clothing. With a traditional IPO you are buying into a real operating business, however young, that you can at least study. With an early stage SPAC you are effectively backing the sponsors’ promise to find a good deal, before any target is even named. Either way, the first day of trading tends to be a frenzy, and as the hero diagram suggests, that opening price is set by hype and demand rather than settled value, which is exactly why buying then is so risky. How an IPO Works A traditional IPO follows a well worn path that is worth understanding before you consider buying one. A private company decides to go public, files a prospectus with the SEC describing its business, risks and the terms of the offering, and works with bankers to set an offer price. On the listing day, trading opens and the public can buy and sell the shares on an exchange. The steps below trace this. Crucially, ordinary investors usually cannot buy at the offer price; they buy once trading opens, often after an initial jump. What a SPAC Is A SPAC deserves special caution because of how unusual it is. When a SPAC lists, it is, as the SEC puts it, a shell company with no underlying operating business, holding little but the cash from its IPO. Its job is to find and merge with a private company within a set time, the point at which real operations finally arrive. The comparison below contrasts a traditional IPO with a SPAC. A key concern the SEC highlights is that SPAC sponsors have their own financial incentives to complete a deal, which may not align with yours. Why Day One Is a Gamble The core message of this article is that the first day of trading is one of the worst times to buy, and it helps to see why all at once. The opening price is driven by hype and scramble for shares, not careful valuation; the company has no public trading history to judge; early volatility is often extreme; insider lockups will later expire and can pressure the price; and with SPACs, sponsor incentives and dilution add further hazards. The summary below lists these day one dangers. Together they make buying into the excitement a bet, not an analysis. A Calmer Approach None of this means new listings must always be avoided, only that the first day frenzy is the wrong way in. A calmer approach treats a new listing as something to study rather than chase. Instead of buying into the opening pop, you can let the initial volatility settle, allow the company to build a short public track record, and read its filings properly before deciding anything. The comparison below contrasts gambling on day one with this measured approach. Patience costs you nothing but a little excitement, and it removes much of the risk. The Hype and the Odds It is worth being honest about the psychology at work, because that is what the hype exploits. New listings are marketed as rare chances to get in early on the next big thing, and the fear of missing out is a powerful motivator. But the evidence does not support the fantasy: while some new listings soar, many fade or fall after their debut, and the opening price frequently already bakes in heavy optimism, leaving little room for the buyer who arrives last. For every story of an IPO that multiplied, there are quieter tales of ones that sank. For SPACs in particular, the SEC has repeatedly cautioned investors to understand the structure and the sponsors’ incentives, since the interests of those promoting the deal may diverge from those of ordinary shareholders. The broader lesson is the same one that runs through all speculative trading: excitement is not analysis, and the louder the hype around an opportunity, the more sceptical a sensible investor becomes. Buying a new listing on day one is, at heart, a gamble on short term sentiment, and like all such gambles, it should only ever involve money you can comfortably afford to lose. There is also a structural reason the odds favour patience. At a listing, the people selling shares, early investors, insiders and bankers, know far more about the company than the public buying on day one, and the offering is priced to serve the sellers as much as the buyers. Add the surge of demand that hype creates, and the opening price often sits at a level that already assumes a rosy future. Waiting for that excitement to fade, and for real results to emerge, simply puts a later buyer on more even footing. Approaching New Listings Wisely Bringing it together, the wise way to approach IPOs and SPACs is to resist the day one frenzy, read the filings, question the incentives, and risk only money you can afford to lose. That means letting the price settle rather than chasing the pop, studying the prospectus, scrutinising sponsor interests in any SPAC, and treating the whole thing as speculative. The contrast below pairs the way new listings get chased with the measured approach a careful investor takes. Common Mistakes People Make These four errors around IPOs and SPACs catch out beginners most often. Buying into the day one hype Why it backfires: Grabbing shares on the first day, swept up in the excitement, often means buying at a hype driven peak before the price fades. Do this instead: Let the initial volatility settle and a short track record build before deciding, rather than chasing the opening pop. Skipping the prospectus Why it backfires: Investing in a new listing without reading its filings means buying a business, or an empty shell, you do not actually understand. Do this instead: Read the prospectus and risk factors, since the filings are where the real story, and the real risks, are disclosed. Ignoring SPAC sponsor incentives Why it backfires: Backing a SPAC without considering the sponsors’ interests overlooks that they are motivated to complete a deal that may not suit you. Do this instead: Scrutinise who the sponsors are and how they profit, as the SEC stresses their incentives can diverge from ordinary investors’. Risking money you cannot lose Why it backfires: Putting essential funds into a speculative new listing, lured by FOMO, can cause real harm when the excitement fades. Do this instead: Treat IPOs and SPACs as speculative, size any position small, and risk only money you could lose entirely without hardship. Before you act on thisThis article explains how something works. It is general education, not advice about your situation. It does not consider your goals, income, tax position or how much risk you can afford.Investing involves risk, including losing money. Before you act, speak to a licensed professional. You can check whether someone is licensed at Investor.gov and FINRA BrokerCheck.Disclaimer · Terms of Use Frequently asked questions What is an IPO? An initial public offering is when a private company first sells its shares to the public. As the SEC explains, the company files a prospectus describing its business and the offering, shares are priced with the help of bankers, and then trading begins on an exchange where anyone can buy. What is a SPAC? As the SEC describes, a SPAC, or special purpose acquisition company, is a blank check shell company with no operating business. It raises money through its own IPO, then later acquires or merges with a private company to take it public, a process commonly called the SPAC merger. Why is buying an IPO on day 1 risky? Because the first day price is often driven by hype and demand rather than settled value. New listings can be highly volatile, have no public trading history, and frequently fall back after an initial pop. Buying into that excitement is closer to gambling than to considered investing. What is the difference between an IPO and a SPAC? In a traditional IPO an operating company with a real business and history goes public directly. A SPAC is an empty shell that raises cash first and finds a company to merge with later, so early SPAC investors are backing the sponsors’ ability to find a deal, not a known business. Do IPOs usually go up? Not reliably. Some IPOs pop on the first day and keep rising, but many fade or fall afterwards, and the first day price often already reflects heavy optimism. There is no rule that IPOs go up, and chasing the early excitement frequently leads to buying high. Should beginners buy IPOs or SPACs? Generally, beginners are wise to be cautious. Both are speculative, volatile, and hard to value early on, and SPACs carry added complexity and sponsor conflicts. Anyone tempted should read the filings, let the price settle, and only ever risk money they can afford to lose. Sources All claims in this article are supported by the sources listed below. Verify details against the originals before making investment decisions. U.S. Securities and Exchange Commission, Investor.gov. Investor Bulletin: Investing in an IPO. Accessed 10 June 2026. U.S. Securities and Exchange Commission, Investor.gov. What You Need to Know About SPACs. Accessed 10 June 2026.
