Lesson 9 of 11 16 min
What Is a Company Worth?
Market value, earnings multiples, and why price isn't the same as value.
Written by Mateo LermaLast reviewed 3 sourcesEditorial standards
All lessons in Understanding Businesses
Step 1: The lesson
How do you figure out what a company is worth?
A company is worth what it's expected to earn for its owners in the future. That's simple to say and very hard to measure, because the future is uncertain.
Key term
Market capitalization
Share price × number of shares. It's what the stock market says the whole company is worth today.
Key term
Price-to-earnings (P/E) ratio
Share price ÷ earnings per share — or, for the whole company, market cap ÷ net income. It shows how many dollars investors pay for each $1 of yearly profit.
A high P/E usually means investors expect fast growth. A low P/E can mean slow growth, higher risk — or a bargain. The number alone doesn't tell you which.
Price is what you pay; value is what you get. Market prices reflect expectations and mood, which can run far ahead of — or far behind — what a business actually earns.
Expectations cut both ways
When a company with a high P/E grows more slowly than expected, its price can fall sharply even if it's still growing. The expectations were part of the price.
Step 2: See it
Same profit, different price
Two hypothetical companies each earn $10 million a year. Company A is valued at $150 million, a P/E of 15, because it's expected to grow slowly. Company B is valued at $500 million, a P/E of 50, because investors expect fast growth.
| Company A | Company B | |
|---|---|---|
| Yearly net income | $10 million | $10 million |
| Market cap | $150 million | $500 million |
| P/E ratio | 15 | 50 |
| What investors expect | Slow, steady growth | Fast growth for years |
Step 3: Real-world example
Buying a pizza shop
A hypothetical pizza shop earns $80,000 a year in profit for its owner. The owner is selling it for $400,000.
- That's 5 times yearly earnings — a P/E of 5.
- If profits stay flat, a buyer would earn back the price in about 5 years.
- Questions to ask: Will profits last? Does the shop depend on the current owner's recipes or relationships? How much would it cost to open a competing shop?
Valuing a public company works the same way, just at a bigger scale — and with more guessing about the future.
Step 4: Knowledge check
Quiz: What Is a Company Worth? (3 questions)
Answer each question, then check your answer to see the explanation. Retake it as many times as you like.
Question 1 of 3
Step 5: Summary
Summary: What Is a Company Worth?
A company is worth what it's expected to earn in the future. Market cap is share price × shares. The P/E ratio shows how much investors pay per dollar of profit; high P/Es reflect high growth expectations. Price and value can differ, and missed expectations can move prices sharply.
Step 6: What you should remember
Key takeaways: What Is a Company Worth?
- Market cap = share price × shares.
- P/E = price ÷ earnings per share (or market cap ÷ net income).
- High P/E = high expectations.
- Price is what you pay; value is what you get.
Key terms in this lesson
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Sources and further reading
Rules, rates, and official figures in this lesson are based on these sources. People and numbers in examples are hypothetical.
- 1.Price-earnings (P/E) Ratio (opens in a new tab)
Investor.gov (U.S. Securities and Exchange Commission) · investor.gov
- 2.Market Capitalization (opens in a new tab)
Investor.gov (U.S. Securities and Exchange Commission) · investor.gov
- 3.Stocks — FAQs (opens in a new tab)
Investor.gov (U.S. Securities and Exchange Commission) · investor.gov
Cite this lesson
Financial Literacy Club. (2026, September). What is a company worth? https://learnwithflc.org/courses/understanding-businesses/valuation
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