Skip to content

Costco Wholesale COST Ratios & Valuation

TTM Q3 '26TTM Q2 '26TTM Q1 '26TTM Q4 '25TTM Q3 '25
Profitability
Gross margin51.5%+0.8pp51.4%+1.0pp51.2%+1.0pp51%+1.1pp50.7%+1.2pp
Operating margin15.2%+0.5pp15.1%+0.6pp15%+0.7pp14.9%+0.9pp14.8%+1.0pp
Net margin11.9%+0.3pp11.8%+0.3pp11.7%+0.3pp11.7%+0.6pp11.6%+0.8pp
Returns
Return on equity119.8%-5.4pp122.7%-2.0pp126%+2.9pp125.6%+5.1pp125.2%+7.4pp
Return on assets43.5%+0.7pp43.5%+1.0pp43.5%+1.7pp43.2%+2.4pp42.8%+3.1pp
Return on invested capital191.2%+18.5pp188.3%+30.1pp184.8%+40.8pp183.6%+54.6pp172.7%+45.5pp
Efficiency
Asset turnover14.6×-0.1×14.7×0.0×14.9×+0.2×14.8×+0.1×14.7×+0.1×
Inventory turnover51.3×+1.2×50.9×+0.6×50.5×0.0×50.5×-0.1×50.1×-0.3×
Liquidity
Current ratio4.2×+0.2×4.1×+0.3×4.1×+0.3×+0.1×-0.1×
Quick ratio2.3×+0.4×2.2×+0.4×2.1×+0.3×+0.1×1.9×-0.2×
Cash ratio1.6×+0.4×1.6×+0.4×1.5×+0.4×1.4×+0.1×1.3×-0.2×
Leverage
Debt-to-equity1.1×-0.3×1.2×-0.3×1.2×-0.4×1.3×-0.4×1.4×-0.2×
Debt-to-assets0.4×-0.1×0.4×-0.1×0.4×-0.1×0.5×-0.1×0.5×-0.1×
Interest coverage287.8×+52.3×275.1×+52.6×261.5×+49.1×248×+41.2×235.5×+32.9×
Per Share
Book value per share$281.33+24.2%$266.92+24.4%$252.22+23.8%$239.00+15.1%$226.55+7.5%
Valuation
Market capitalization$1.7T-2.7%$1.72T+4.4%$1.74T+14.8%$1.77T+31.1%$1.74T+45.9%
Enterprise value$1.66T-3.9%$1.7T+3.3%$1.72T+13.7%$1.75T+30.7%$1.73T+46.4%
Price / earnings200.9×-28.3×210.5×-11.2×219.1×+9.9×227.1×+34.5×229.2×+51.6×
Price / sales-0.7×6.2×-0.2×6.4×+0.4×6.6×+1.3×6.7×+1.8×
Price / book54.3×-14.9×58.3×-10.7×62.6×-4.2×66.8×+7.6×69.2×+17.1×
EV / sales5.9×-0.8×6.1×-0.3×6.3×+0.4×6.6×+1.2×6.6×+1.9×
Earnings yield8%+1.0pp7.6%+0.4pp7.4%-0.3pp7.1%-1.3pp7%-2.1pp
Dividend yield2.4%
PEG ratio18.4×+0.6×20.8×+6.5×21.5×+8.3×19.9×+6.5×17.8×+2.5×

Chart any of these lines over time, or line them up against competitors.

Compare these in charts →

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.