Operating margin shows how much operating profit a company generates from revenue. The exact definition should be checked against the source statement.
Drivers
Pricing, product mix, raw-material costs, employee costs, operating leverage, capacity utilisation and competition can change margins.
Trend
A multi-year margin trend can reveal whether growth is becoming more or less profitable.
Quality check
Ask whether expansion is structural or temporary. Commodity prices, one-time savings and low utilisation can distort comparisons.
Peer comparison
Compare businesses with similar economics and accounting definitions.
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Deep research: operating margin tells a story
Operating margin = operating profit ÷ revenue. The important question is not simply whether it is high, but why it changes.
Margin expansion
Expansion can come from pricing, mix, volume leverage, lower input costs, productivity, automation or temporary factors. Identify the driver before assuming it will persist.
Margin compression
Compression can result from raw-material inflation, wage costs, price competition, under-utilisation, new capacity or deliberate investment.
Operating leverage
Businesses with high fixed costs can experience disproportionate profit changes when revenue changes. This creates both upside and downside sensitivity.
Margins and valuation
A valuation often assumes a particular future margin. Reverse-engineer that assumption and ask whether the industry economics support it.
Margin checklist
- ☐ Gross-to-operating bridge understood
- ☐ Volume/price/mix separated where possible
- ☐ Cost drivers identified
- ☐ Capacity utilisation considered
- ☐ Sustainability tested