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Costco Wholesale COST Ratios & Valuation

Q3 '26Q2 '26Q1 '26Q4 '25Q3 '25
Profitability
Gross margin12.9%+0.1pp12.9%+0.3pp12.9%+0.2pp12.8%+0.2pp12.8%+0.3pp
Operating margin3.8%+0.1pp3.8%+0.1pp3.8%+0.1pp3.8%+0.1pp3.8%+0.2pp
Net margin3%+0.1pp3%+0.1pp3%0.0pp2.9%0.0pp2.9%+0.1pp
Returns
Return on equity29.2%-2.9pp29.7%-3.2pp30.3%+0.4pp30.7%+0.4pp32.1%+0.4pp
Return on assets10.9%0.0pp10.9%0.0pp10.6%+0.3pp11%+0.4pp10.9%+0.3pp
Return on invested capital50.6%+3.0pp49.4%+3.5pp48.5%+1.2pp42.7%+10.9pp47.7%+14.5pp
Efficiency
Asset turnover3.6×-0.1×3.6×-0.1×3.6×+0.1×3.7×+0.1×3.7×0.0×
Inventory turnover13.5×+0.4×13.2×+0.3×11.6×0.0×13.1×+0.5×13×-0.1×
Liquidity
Current ratio1.1×+0.1×1.1×+0.1×+0.1×+0.1×+0.1×
Quick ratio0.6×+0.1×0.6×+0.1×0.5×+0.1×0.5×+0.1×0.5×+0.1×
Cash ratio0.4×+0.1×0.4×+0.1×0.4×+0.1×0.4×+0.1×0.4×+0.1×
Leverage
Debt-to-equity0.2×-0.1×0.3×-0.1×0.3×-0.1×0.3×-0.1×0.3×-0.1×
Debt-to-assets0.1×0.0×0.1×0.0×0.1×0.0×0.1×0.0×0.1×0.0×
Interest coverage76.9×+12.7×73.4×+13.6×70.1×+13.5×67.4×+12.5×64.2×+13.0×
Per Share
Book value per share$75.40+23.6%$72.20+25.6%$68.17+24.0%$65.57+23.4%$60.99+24.6%
Valuation
Market capitalization$424.14B-6.1%$448.66B-3.6%$404.88B-6.0%$418.34B+5.7%$451.58B+25.8%
Enterprise value$413.33B-7.3%$439.51B-4.7%$396.84B-7.2%$414.11B+4.7%$446.1B+24.6%
Price / earnings48×-9.6×52.5×-8.6×48.8×-8.1×51.7×-2.0×57.6×+7.5×
Price / sales1.4×-0.2×1.6×-0.2×1.4×-0.2×1.5×0.0×1.7×+0.3×
Price / book12.7×-4.0×14×-4.2×13.4×-4.3×14.3×-2.4×16.6×+0.2×
EV / sales1.4×-0.3×1.5×-0.2×1.4×-0.2×1.5×-0.1×1.7×+0.2×
Earnings yield2.1%+0.3pp1.9%+0.3pp2.1%+0.3pp1.9%+0.1pp1.7%-0.3pp
Dividend yield0.7%0.6%0.6%0.5%
PEG ratio3.8×-2.4×4.3×-0.7×5.1×+1.6×5.2×+2.1×6.2×+3.6×

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Questions, answered.

What are Costco Wholesale's profit margins?
Costco Wholesale (COST) runs a 12.9% gross margin and a 3.8% operating margin, with a 3.0% net margin.
Where do Costco Wholesale's ratios come from?
Every ratio is computed from Costco Wholesale's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.