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Costco Wholesale Corp (COST) stock analysis

COSTNasdaqRetail-Variety StoresFiscal year ends August 30
Financials through Q4 FY2026, quarter ended Aug 30, 2026Last filing: 10-K on Oct 7, 2026Score 17/3066% above fair value
$1087.61+21.47 (+2.01%)

Close on Nov 11, 2026Market cap $481.95BP/E 52.4Yield 0.51%

StockData Score

Prices as of Nov 11, 2026How the score works

Value0Growth3Performance5Health6Dividend3

Solid17 of 30 checks passed

Costco Wholesale passes 17 of the 30 checks behind our score; 1 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.

Valuation
0/6
Growth
3/6
Past performance
5/6
Financial health
6/6
Dividend
3/6

What stands out

  • Return on equity over 15%

    Return on equity was 28.4% over the last twelve months and averaged 29.5% over five years.

  • Return on capital over 10%

    Return on invested capital was 45.8%, above the 10% that usually covers the cost of capital.

  • Low debt

    Debt is 17.2% of shareholders' equity, under the 40% we consider low.

  • Earnings grew over 5 years

    Net income grew 13.0% a year on average over the last five fiscal years.

What to watch

  • Margin of safety under 20%

    The price is 65.7% above fair value, so there is no margin of safety.

  • Trading above fair value

    The share price of $1087.61 is above our fair value estimate of $656.37.

  • Revenue growing under 10% a year

    Revenue grew 7.8% a year over the last three fiscal years, short of the 10% we look for.

  • P/E above its 5-year median

    Costco Wholesale's P/E of 52.4 is above its own 5-year median of 47.9.

Valuation0/6
  • P/E above its 5-year median

    Costco Wholesale's P/E of 52.4 is above its own 5-year median of 47.9.

  • P/E above the industry

    Costco Wholesale's P/E of 52.4 is above the Variety Stores median of 22.5.

  • EV/EBITDA above its 5-year median

    Costco Wholesale's EV/EBITDA of 32.5 is above its 5-year median of 29.4.

  • P/B above the industry

    Costco Wholesale's price-to-book of 13.46 is above the Variety Stores median of 5.57.

  • Trading above fair value

    The share price of $1087.61 is above our fair value estimate of $656.37.

  • Margin of safety under 20%

    The price is 65.7% above fair value, so there is no margin of safety.

Growth3/6
  • Revenue growing under 10% a year

    Revenue grew 7.8% a year over the last three fiscal years, short of the 10% we look for.

  • EPS growing 10%+ a year

    Diluted EPS grew 13.6% a year over the last three fiscal years.

  • Earnings growth accelerating

    Net income grew 13.9% over the last twelve months, against a 5-year average of 13.0% a year.

  • Growing faster than the industry

    Revenue grew 10.1% over the last twelve months; the Variety Stores median is 9.6%.

  • Company guidance

    No outlook found in earnings releases from the last twelve months.

  • Gross margin slipping

    Gross margin was 12.8% over the last twelve months, against 12.8% a year earlier.

Past performance5/6
  • Return on equity over 15%

    Return on equity was 28.4% over the last twelve months and averaged 29.5% over five years.

  • Return on capital over 10%

    Return on invested capital was 45.8%, above the 10% that usually covers the cost of capital.

  • Return on equity above the industry

    Costco Wholesale's return on equity of 28.4% is above the Variety Stores median of 24.9%.

  • Earnings grew over 5 years

    Net income grew 13.0% a year on average over the last five fiscal years.

  • Net margin above its 5-year average

    Net margin was 3.0% over the last twelve months, against a 5-year average of 2.8%.

  • Net margin below the industry

    Costco Wholesale's net margin of 3.0% is below the Variety Stores median of 4.0%.

Financial health6/6
  • Low debt

    Debt is 17.2% of shareholders' equity, under the 40% we consider low.

  • Debt falling against equity

    Debt to equity fell from 42.6% five years ago to 17.2%.

  • Debt covered by cash flow

    Operating cash flow over the last twelve months equals 257% of total debt.

  • Interest well covered

    Operating income covers interest expense 80.6 times.

  • Short-term assets cover short-term debts

    Current assets are 1.06 times current liabilities.

  • Low bankruptcy risk

    The Altman Z-score is 9.75; above 3 is the safe zone and below 1.8 the distress zone.

Dividend3/6
  • Pays a dividend

    Costco Wholesale paid dividends worth 0.5% of the share price over the last twelve months.

  • Yield below Treasuries

    The 0.5% yield is below the 4.4% on a 1-year Treasury.

  • Yield below the top quarter

    The top quarter of US dividend payers yield 3.8% or more; Costco Wholesale yields 0.5%.

  • Dividend was cut

    The dividend per share fell by more than 10% at least once in the last 7 fiscal years.

  • Covered by earnings

    Dividends take 26.6% of net income.

  • Covered by free cash flow

    Dividends take 26.2% of free cash flow.

Scores of similar companies

Our estimate per share

$656.37

The share price is 66% above this estimate.

20%+ below
Near fair value
20%+ above
$1,087.61Price$656.37Fair value
MethodMultiple usedOwn 5Y medianIndustry medianValue per shareWeight
P/E35.3×47.9×22.5×$733.2544%
EV/EBITDA21.3×29.4×13.0×$724.1539%
Earnings power8.5% cost of equity––$293.2017%
Fair value$656.37100%

Valuation over time

Using the earnings and balance sheet published at each date, not today's.

  • P/E at month end
  • Own 5-year median 47.9
  • Variety Stores median 22.5

An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.

Market risk

From the past year of daily prices.

Liquidity

Low risk

Average value traded per day
$2.27B
Value traded per 1% price move
$2.12B

Downside

Low risk

Typical loss in a bad month
8.2%
Volatility (annualized)
20%
Sharpe ratio, 1 year
0.71
Beta to the S&P 500 (5Y)
0.73

Typical bad-month loss, week by week

25%: high

Margins

Share of revenue, fiscal years 2012 to 2026

Gross margin

12.8%−0.1 pts over 5 years

Operating margin

3.9%+0.4 pts over 5 years

Net margin

3.0%+0.5 pts over 5 years

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