Costco Wholesale Debt-to-Equity Ratio Growth & History (COST)

Costco Wholesale's debt-to-equity ratio was 0.34 for fiscal 2025.

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Costco Wholesale annual debt-to-equity ratio history

Costco Wholesale annual debt-to-equity ratio

Fiscal yearPeriod endedDebt-to-equity ratioChangeGrowth
20252025-08-310.34−0.08−19.12%
20242024-09-010.420.06+15.92%
20232023-09-030.36−0.09−19.17%
20222022-08-280.45−0.20−30.79%
20212021-08-290.650.04+7.11%
20202020-08-300.610.13+27.58%
20192019-09-010.48−0.07−12.78%
20182018-09-020.54−0.11−16.57%
20172017-09-030.650.19+42.52%
20162016-08-280.46−0.15−24.35%
20152015-08-300.610.18+40.98%
20142014-08-310.43−0.05−11.01%
20132013-09-010.480.36+281.32%
20122012-09-020.13−0.07−34.56%
20112011-08-280.19−0.02−10.31%
20102010-08-290.22−0.01−2.86%
20092009-08-300.22

Costco Wholesale debt-to-equity ratio trends

Over the last five fiscal years, Costco Wholesale's debt-to-equity ratio decreased from 0.61 to 0.34, a change of −0.27. The latest reported quarter, Q3 2026, shows 0.24.

About the metric

What the debt-to-equity ratio means

The debt-to-equity ratio compares interest-bearing debt with shareholders’ equity. It helps show how much debt financing a company uses relative to its accounting equity, but useful comparison levels vary by industry.

Calculation and source

How debt-to-equity is calculated

TickerStat calculates debt-to-equity as total interest-bearing debt divided by SEC-reported shareholders’ equity for the same balance-sheet date. Total liabilities are not treated as debt, and periods with non-positive equity are omitted. Fiscal periods can differ from calendar years, so exact period-end dates are included.

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