IPO is one of the most familiar stock-market abbreviations — but understanding what happens behind those three letters matters. Here is the process in plain language, followed by a five-question Investor Challenge.
Quick definition
What is an IPO?
IPO stands for Initial Public Offering. It is the first time a private company offers shares to public investors and becomes listed on a stock exchange such as the Philippine Stock Exchange.
After the shares are listed, investors can normally buy and sell them through the market just like other listed shares.
How it works
How does an IPO work?
A company first prepares for becoming publicly listed. This normally includes extensive financial and legal work, regulatory filings and disclosure documents.
The company then announces the offering, including the number of shares being offered and the offer price. Investors can apply to subscribe during the offer period.
After the offering is completed and the shares are listed, trading begins on the exchange. From that point, the market determines the trading price based on supply and demand.
A simplified IPO journey.
Why it matters
Why do companies go public?
An IPO can allow a company to raise substantial capital from public investors. The money can be used for expansion, new projects, debt repayment, acquisitions or other corporate purposes described in the offering documents.
A public listing can also create a market for the company's shares and give the company greater access to capital markets in the future.
Understand the term
What should investors look at?
The offer price alone does not tell you whether an IPO is attractive.
Investors should understand what the company does, how it earns money, its financial condition, risks, use of proceeds, number of shares being offered and the valuation implied by the offer price.
The prospectus and official offering documents contain important information that should be reviewed before making an investment decision.
Simple example
A simple IPO example
Imagine Bayan Foods plans to offer 500 million shares at ₱10 per share.
If all 500 million shares are sold at the offer price, the gross value of the offering would be ₱5 billion before applicable fees and expenses.
That does not mean the company itself necessarily receives the full ₱5 billion. The exact proceeds depend on the structure of the offering, including whether shares are newly issued by the company or sold by existing shareholders.
Illustrative example only — Bayan Foods is fictional.
Good to know
An IPO is not a guaranteed first-day gain
A common misunderstanding is that IPO shares automatically rise after listing.
They do not. Once trading begins, the market price can rise above the offer price, remain close to it or fall below it. An IPO should therefore be evaluated as an investment, not treated as a guaranteed short-term profit.
Related terms
Useful terms to learn next
Listing — the process of having a company's shares admitted for trading on an exchange.
FOO — Follow-on Offering, a public offering of additional shares by an already listed company.
SRO — Stock Rights Offering, an offer giving existing shareholders the right to subscribe for additional shares according to specified terms.
Dilution — a reduction in an existing shareholder's proportional ownership when additional shares are issued.
Investor Challenge
Test what you learned
Answer all 5 questions. After submitting, refresh the page if you want another try.