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CO

Costco Wholesale Corporation

COST

Consumer Defensive · Discount Stores · NASDAQ

$995.39

P/E 47.5×

Is Costco Wholesale Corporation (COST) Undervalued? Valuation & Fair Price

At $995.39, 3 of the 4 frameworks would pass on Costco Wholesale Corporation today — Warren Buffett, Benjamin Graham, and Phil Town (Rule #1) rate it Avoid and Peter Lynch rates it Hold. Each model calculates its own fair value and margin of safety; create a free account to see the exact buy price behind every verdict.

Valuo fair-value verdict

Costco Wholesale Corporation looks 72% overvalued

COST trades at $995.39 versus a blended fair value of $275.85 across 4 investor frameworks. That's a 72% premium over our estimate — the exact buy-below price from each framework is below.

The four investor lenses

See how each legend judges COST

Pick a lens — the fair-value rail and its checklist update. The exact prices unlock with a free account.

Buffett: Wonderful businesses at a fair price — moat, high returns on capital, owner earnings.

The Value RailOvervalued· -80% downside
0 of 1 fair values are above today's price of $995.
← Lower priceHigher price →
Buffett

Where Buffett marks fair value — the exact price is in the full analysis.

Buffett's checklist

Return on Equity

ROE Consistency

ROE Quality (Low Leverage)

Debt Levels

The full checklist, the exact fair value, and all four lenses side by side

Unlock free →

The six questions · COST

signal free · score locked

  • Is it cheap enough?Weak

    A great business at the wrong price is still a bad buy.

    Price score — free account

    P/E · PEG

  • Is this a good business?Mixed

    Returns on capital, margins, and the cash they throw off.

    Quality score — free account

    ROIC · margins

  • Can it survive a bad year?Mixed

    Debt, liquidity, and balance-sheet resilience.

    Safety score — free account

    Debt · liquidity

  • Are the numbers honest?Strong

    Whether reported profit is backed by real cash.

    Integrity score — free account

    Cash-backed profit

  • Is it getting better?Strong

    Revenue, earnings, and cash-flow trajectory.

    Growth score — free account

    Revenue · earnings

  • Who runs it — and are they buying?Strong

    Capital allocation, dilution, and insider conviction.

    Stewardship score — free account

    Dilution · insiders

Strong on Integrity, Growth, Stewardship; weak on Price.

Inside · Price

Price is what you pay for the cash a business earns. Roughly under ~15× earnings is cheap; over ~30× the market is already pricing in strong growth, so you need that growth to show up.

The exact number, the reference bands, and each legend's take unlock free.

See the numbers — free account

Insider & congress activity

Are insiders buying COST?

Over recent SEC Form 4 filings, COST insiders bought $0 and sold $14.6M of stock across 13 open-market trades. Insiders sell for many reasons, but they buy for one.

Bought $0Sold $14.6M
Recent open-market insider trades for COST
InsiderActionSharesValueDate
Wilcox William RichardExecutive Vice PresidentSell1,100$1.1MOct 13, 2026
Frates CatonSr. Executive Vice PresidentSell801$733KSep 29, 2026
Adamo ClaudineExecutive Vice PresidentSell2,200$2.0MSep 29, 2026
DENMAN KENNETH DdirectorSell885$847KJun 23, 2026
Frates CatonExecutive Vice PresidentSell700$695KApr 1, 2026

Members of Congress have also reported 50 trades in COST. See the full insider & congress timeline.

Source: SEC Form 4 filings. Open-market buys & sells only. Not investment advice.

See the interactive insider chart & every trade

Bear · base · bull

Three ways COST could play out

A fair-value target for each scenario, with the assumptions behind it.

Bear case

Bear case price target — free account

Growth disappoints and the multiple compresses — the downside if things go wrong.

Base case

Base case price target — free account

The most likely path given current fundamentals — the scenario to anchor on.

Bull case

Bull case price target — free account

Execution beats expectations and growth holds — the upside if things go right.

See all three price targets — free account

Company financials

5-Year Financials

Income statement highlights — annual, USD

Metric20262025202420232022
Revenue$303.2B
$275.2B
$254.5B
$242.3B
$227.0B
Rev. Growth+10.1%+8.2%+5.0%+6.8%—
Net Income$9.2B$8.1B$7.4B$6.3B$5.8B
Net Margin3.0%2.9%2.9%2.6%2.6%
EPS (Diluted)$20.78$18.24$16.60$14.18$13.17

About Costco Wholesale Corporation

CEO

Ron Vachris

Sector

Consumer Defensive

Industry

Discount Stores

Costco Wholesale Corporation, alongside its group entities, operates membership-based retail warehouses across a broad international scope, spanning the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, South Korea, Australia, Spain, France, Iceland, China, and Taiwan. These outlets provide customers with an extensive array of both well-known branded and proprietary private-label products. Their vast inventory includes household staples, shelf-stable groceries, confectionery, chilled and frozen items, alcoholic beverages, tobacco, and deli selections. Furthermore, the stores stock major appliances, consumer electronics, health and beauty aids, hardware, garden and patio furniture, sporting goods, vehicle tires, toys, seasonal merchandise, office supplies, automotive maintenance products, postage services, event tickets, apparel, small kitchen appliances, home furnishings, domestic textiles, kitchenware, custom-order kiosks, and fine jewelry. Fresh departments offer meat, produce, a service deli, and bakery items. Beyond retail goods, Costco provides in-store amenities such as pharmacies, optical clinics, food courts, hearing aid centers, and tire installation facilities, in addition to managing 636 gas stations. The company also extends its offerings online through business delivery, travel booking, and same-day grocery fulfillment in various countries. As of August 29, 2021, Costco maintained a global network of 815 membership warehouses, with 564 located in the United States and Puerto Rico, 105 in Canada, 39 in Mexico, 30 in Japan, 29 in the United Kingdom, 16 in South Korea, 14 in Taiwan, 12 in Australia, 3 in Spain, and one each in Iceland, France, and China. Digital storefronts facilitate e-commerce operations in the United States, Canada, the United Kingdom, Mexico, South Korea, Taiwan, Japan, and Australia. Founded in 1976, the enterprise was originally known as Costco Companies, Inc. before officially adopting the name Costco Wholesale Corporation in August 1999. Its corporate headquarters are situated in Issaquah, Washington.

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  • Today's price vs. four fair-value marks
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Data as of Oct 10, 2026 · price updated Oct 29, 2026. Sourced from SEC filings & Financial Modeling Prep.

Educational Use Only · Not Financial Advice

Analysis, scores, valuations, and buy zones are derived from publicly documented investor frameworks (Buffett, Lynch, Benjamin Graham, Phil Town) for learning purposes only. They are not recommendations from licensed financial advisors. Past performance does not guarantee future results. Prices may be delayed up to 15 minutes. Always conduct your own research before making any investment decisions.