Valuation check: COST's profit margin is 3.01%, below the Consumer Discretionary sector average of 10.32%.
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+ FollowAs of May 2026
Trailing 12 months ending May 2026
Costco Wholesale (COST) currently reports a profit margin of 3.01% as of May 2026. That compares with 2.92% in the prior-year period — up 3.2% year over year. That is below the Consumer Discretionary sector average of 10.32%. Use the charts on this page to explore Costco Wholesale's profit margin history and peer comparisons.
Costco Wholesale's profit margin increased from 2.92% to 3.01% — a 3.2% year-over-year increase (period ending May 2026). Watching multi-year history on the chart below helps separate one-off swings from a lasting trend.
Costco Wholesale's profit margin of 3.01% is lower than the Consumer Discretionary sector average of 10.32%. That is roughly 70.8% below the sector mean. A reading lower peers can reflect different growth expectations, capital structure, or profitability — so it is worth checking the peer comparison chart before drawing conclusions.
There is no universal 'good' profit margin, but Costco Wholesale's current 3.01% should be judged against Consumer Discretionary norms (sector average: 10.32%) and against COST's own history. Strong, stable readings often indicate durable competitive advantage; volatile or declining ones deserve a closer look at margins and capital efficiency.
Start with the current profit margin of 3.01%, then check the historical chart for trend and the peer comparison chart for relative positioning. The Consumer Discretionary average is 10.32%. From there, open related valuation or income-statement pages for Costco Wholesale, and consider following COST for alerts when major investors trade the stock.