Costco (COST) Stock Looks Expensive Despite Its 139% Five Year Run

Costco Wholesale has delivered a strong 139.0% total return over the past 5 years, yet current valuation checks lean expensive for a stock that some investors already see as high priced after the recent pullback.

• A 139.0% return over 5 years highlights how strongly Costco Wholesale has rewarded long term shareholders and raises the bar for what future returns need to justify today’s price.
• Recent sales momentum, including solid June trading and ongoing membership strength, can support optimistic expectations, while concerns around slowing growth, margin pressure and competitive responses from retailers like Walmart and Sam's Club may weigh on how much investors are willing to pay.
• With a value score of 0 out of 6, Costco Wholesale does not screen as a clear bargain on the broader valuation checks.

The issue now is whether Costco Wholesale's current share price already reflects these strengths, leaving limited upside for new investors, or still offers enough value to compensate for the risks.

Find out why Costco Wholesale's -0.3% return over the last year is lagging behind its peers.

Has Costco Wholesale Run Too Far on Earnings?

The P/E ratio is a useful way to think about what you are paying today for each dollar of Costco Wholesale’s earnings. Costco’s current P/E sits around 47.4x, which is more than double the Consumer Retailing industry average of 19.7x and well above the peer average of 24.1x, so the stock is clearly priced at a premium to many large retailers.

A more tailored benchmark, which factors in Costco’s size, business quality and risk profile, points to a fair P/E of about 36.9x. That still implies a rich valuation, but it is meaningfully below where the stock trades now, suggesting investors are already paying up for a very strong execution record and membership model. Despite June’s solid sales update and ongoing membership strength, the current multiple assumes a lot is already going right for Costco Wholesale.

On this P/E yardstick, Costco Wholesale stock looks overvalued compared with both its own fair multiple and the wider retail sector.

See what the numbers say about this price — find out in our valuation breakdown.

The Costco Wholesale Narrative: What Would Justify Today's Price?

Simply Wall St Narratives for Costco Wholesale pick up where the valuation puzzle leaves off by spelling out which combinations of future growth, margins and earnings would need to play out for the stock to be worth materially more, or less, than today's price. Each narrative links its number to a clear view of how Costco Wholesale's growth, profitability and risks could evolve, giving you a reference point you can revisit as new information comes through.

Community views on Costco Wholesale sit far apart, with one side leaning into the membership engine and the other focused squarely on valuation risk.

Bull case: 13% undervalued

"E-commerce and digital channels show significant growth, with e-commerce comp sales up 22.2% adjusted for FX, suggesting a strong potential to boost revenue and earnings from online sales…"

Read the full Bull Case to see why Costco Wholesale could be undervalued

Bear case: 30% overvalued

"Based on my projections through 2031, Costco is "priced for perfection." My Base Case (Mid) suggests an Annualized Return (IRR) of just 5.6%, largely because valuation compression is likely to offset operational growth…"

Read the full Bear Case to see why Costco Wholesale could be overvalued

Do you think there's more to the story for Costco Wholesale? Head over to our Community to see what others are saying!

The Bottom Line

Costco Wholesale currently screens as overvalued on market multiples, with the stock trading well above both retail peers and a tailored fair P/E benchmark. That premium puts the burden on Costco’s future execution to keep justifying investor confidence, despite weak signals from broader valuation checks. From here, the key debate is whether Costco’s membership driven model and operating discipline can sustain enough earnings power to support this elevated multiple, or whether the P/E gradually settles closer to peers and compresses returns for new buyers.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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