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Profit Margin

Profit Margin

Profit margin shows how much of each unit of revenue becomes net profit after all expenses. Higher profit margins generally mean a more profitable and efficient business.

How it relates

Net IncomeNet income is the final profit after subtracting all expenses, interest and taxes. It is the bottom line of the income statement and represents the earnings available to shareholders.÷RevenueRevenue is the total amount of money the company earned from selling its products or services. It is the top-line number that reflects the overall size of the company's business.=Profit Margin

Where it fits

Profit Margin→Profitability

Profit margin (also called net profit margin or net margin) measures the percentage of revenue that becomes bottom-line profit after all expenses—operating costs, interest, taxes, and any other charges. This comprehensive profitability metric represents the ultimate efficiency of a business in converting sales into returns for shareholders.

The calculation:

Profit Margin = Net Income / Revenue × 100%

For example, if a company generates $50 million in revenue and reports $5 million in net income, its profit margin is 10%. For every $1 of sales, $0.10 reaches shareholders as profit.

Typical profit margin ranges by sector:

  • Software: 15-35%; high gross margins often translate to strong net margins
  • Banks: 20-30%; spread-based business model
  • Healthcare: 5-15%; varies widely by subsector
  • Consumer goods: 5-15%; competitive markets limit pricing
  • Retail: 2-5%; thin margins on high volume
  • Airlines: 0-5%; extremely cost-sensitive, cyclical

What affects profit margin:

  • Gross margin: Sets the upper limit of potential profitability
  • Operating efficiency: SG&A and R&D spending relative to revenue
  • Interest expense: Leverage costs reduce net margin
  • Tax rate: Varies by jurisdiction and tax strategy
  • One-time items: Can significantly distort margin in any given period

Critical analytical points:

  • Margin expansion: Improving margins often drive stock outperformance
  • Sustainability: Consider whether current margins can be maintained under competitive pressure
  • Margin vs. growth trade-off: Some companies sacrifice margin to gain market share
  • Adjusted margins: Be cautious of non-GAAP adjustments that inflate reported margins

Compare profit margins to a company's own history and its closest peers. A margin significantly above industry average may attract competition, while a margin well below peers demands explanation. Also consider the margin in context of the business cycle—cyclical companies show high margins at peaks and low (or negative) margins in troughs.