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  1. Home
  2. Glossary
  3. Profit Margin
Fundamental Analysis

What is Profit Margin?

Definition

Profit margin measures the percentage of revenue that becomes profit after expenses. It comes in several forms — gross margin, operating margin, and net margin — each measuring profitability at a different stage of the income statement.

Detailed Explanation

There are three main types of profit margins. Gross margin (revenue minus COGS divided by revenue) measures the profitability of core production. Operating margin (operating income divided by revenue) adds selling, general, and administrative expenses. Net margin (net income divided by revenue) includes all expenses, taxes, and interest.

Margin analysis reveals a company's pricing power, cost structure, and operational efficiency. Improving margins over time suggest a company is gaining scale advantages, increasing prices, or cutting costs. Declining margins may indicate rising competition, input cost inflation, or loss of pricing power.

Margins vary enormously by industry. Software companies often achieve gross margins of 70-85% and net margins of 20-35%. Grocery retailers have gross margins of 25-30% and net margins of 1-3%. The key is not the absolute level but the trend and comparison to peers. A retailer with 3% net margin in an industry averaging 2% is outperforming.

Margin expansion is one of the most powerful drivers of stock price appreciation. When a company improves margins while growing revenue, earnings grow faster than revenue (operating leverage). This is why companies transitioning from growth to profitability often see dramatic stock price increases.

Formula

Net Profit Margin = Net Income / Revenue x 100

Example

A company with $50B in revenue and $10B in net income has a 20% net profit margin. If the industry average is 15%, this company has superior profitability.

Frequently Asked Questions

Which profit margin is most important?
It depends on the analysis. Gross margin reveals pricing power and production efficiency. Operating margin shows the core business profitability. Net margin shows bottom-line results. For comparing companies, operating margin is often most useful because it excludes financing and tax differences.
What causes profit margins to change?
Margins improve from scale economies, pricing power, cost reduction, and mix shift toward higher-margin products. They decline from rising input costs, competitive pressure, regulatory changes, and investment in growth. Management discussion of margin drivers is critical to analyze.

Related Terms

Revenue

Revenue, also called sales or top line, is the total amount of money a company earns from selling its products or services before any expenses are deducted. It is the first line item on the income statement and the starting point for profitability analysis.

Gross Margin

Gross margin is the percentage of revenue remaining after subtracting the cost of goods sold (COGS). It measures how efficiently a company produces its products or delivers its services and is a key indicator of pricing power and production efficiency.

Net Income

Net income, also called the bottom line or net profit, is the total profit remaining after all expenses, taxes, interest, and costs have been deducted from revenue. It is the final line on the income statement and represents the profit available to common shareholders.

Operating Margin

Operating margin is the percentage of revenue that remains as operating profit after deducting all operating costs. It measures how efficiently a company converts revenue into profit from its core business operations, excluding the effects of financing and taxes.

See It in Action

AAPL

Apple

MSFT

Microsoft

JNJ

Johnson & Johnson

BRK.B

Berkshire Hathaway

Disclaimer: The information on this page is provided for educational and informational purposes only and does not constitute investment advice. AI-generated analysis may contain errors or inaccuracies. Always conduct your own research and consult a qualified financial advisor before making investment decisions.

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