Plain-English definitions, reviewed by an independent investor

IPO (Initial Public Offering)

An IPO is a private company’s first sale of shares to the public, listing it on an exchange.

An IPO is a private company’s first sale of shares to the public, listing it on an exchange.

(First public share sale; price set by banks and demand)

Why it matters

It is how startups become household-name stocks and early owners cash out.

Common confusion

IPOs are often hyped and volatile; many underperform after the initial pop.

Definitions reviewed by the Investing Glossary editorial team.

Frequently Asked Questions

Should I buy at IPO?

Retail access is limited and pricing is set by insiders; caution is wise.

Why do IPOs pop?

Underpricing to ensure a successful debut can leave first-day gains on the table.

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