Market Capitalization

Investment Vehicles High Relevance

The total market value of all outstanding shares of a company, calculated by multiplying the current share price by shares outstanding. Classification by size: Large-cap (over $10 billion), Mid-cap ($2-10 billion), Small-cap ($300 million to $2 billion), Micro-cap (under $300 million). Used extensively in portfolio construction and index weighting.

Example

A company with 50 million shares outstanding trading at $80 per share has a market capitalization of $4 billion (50M × $80 = $4B), classifying it as a mid-cap stock. If the stock price rises to $100, market cap increases to $5 billion without any change to the underlying business.

Common Confusion

Market cap is often confused with enterprise value (which includes debt and excludes cash). Students also mistake market cap for company book value or annual revenue. Additionally, size categories (large-cap, mid-cap, small-cap) have no official regulatory definitions and can vary slightly by index provider.

How This Is Tested

  • Calculating market capitalization using share price and shares outstanding
  • Classifying stocks into large-cap, mid-cap, or small-cap categories based on market value
  • Understanding how market cap changes with stock price movements
  • Determining appropriate portfolio allocation by market cap for different client risk profiles
  • Recognizing that small-cap stocks typically have higher volatility and growth potential than large-cap stocks

Calculation Example

Scenario: A technology company has 25 million shares outstanding and is currently trading at $120 per share.
Formula: Market Capitalization = Share Price × Shares Outstanding
Steps:
  1. Identify the current share price: $120
  2. Identify shares outstanding: 25 million
  3. Multiply: $120 × 25,000,000 shares
  4. Calculate result: $3,000,000,000 or $3 billion
  5. Classify: $3 billion falls in the mid-cap range ($2B-$10B)
Result: The company has a market capitalization of $3 billion, classifying it as a mid-cap stock suitable for growth-oriented portfolios with moderate risk tolerance.

Regulatory Limits

Description Limit Notes
Large-cap classification Over $10 billion Typically established, lower-risk companies with stable earnings
Mid-cap classification $2 billion to $10 billion Growth-oriented companies with moderate risk and return potential
Small-cap classification $300 million to $2 billion Higher growth potential but greater volatility and risk
Micro-cap classification Under $300 million Highest risk, often illiquid and speculative

Example Exam Questions

Test your understanding with these practice questions. Select an answer to see the explanation.

Question 1

Marcus, age 35 with high risk tolerance and a 30-year investment horizon, currently has a portfolio allocated 100% to large-cap U.S. stocks. He wants to increase growth potential while maintaining diversification. Which of the following adjustments would be most appropriate for his situation?

Question 2

Which of the following best describes a small-cap stock?

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Question 3

A company has 40 million shares outstanding and is trading at $75 per share. What is the market capitalization of this company?

Question 4

All of the following statements about market capitalization are accurate EXCEPT

Question 5

An investor is comparing two stocks: Stock X has a market cap of $15 billion, and Stock Y has a market cap of $1.5 billion. Which of the following statements are accurate?

1. Stock X would be classified as large-cap
2. Stock Y would be classified as mid-cap
3. Stock Y likely has higher growth potential but greater volatility
4. Stock X likely provides more stable returns with lower growth potential

💡 Memory Aid

Think "Cap = Company Price Tag": Market cap is the price tag the market puts on the entire company. Small stores (under $2B) grow fast but risky. Department stores ($2-10B) balance growth and stability. Mega-malls (over $10B) are stable giants. The price tag changes every second with the stock price.

Related Concepts

This term is part of this cluster: