Costco Wholesale Corporation
COSTConsumer 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.
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 accountP/E · PEG
- Is this a good business?Mixed
Returns on capital, margins, and the cash they throw off.
Quality score — free accountROIC · margins
- Can it survive a bad year?Mixed
Debt, liquidity, and balance-sheet resilience.
Safety score — free accountDebt · liquidity
- Are the numbers honest?Strong
Whether reported profit is backed by real cash.
Integrity score — free accountCash-backed profit
- Is it getting better?Strong
Revenue, earnings, and cash-flow trajectory.
Growth score — free accountRevenue · earnings
- Who runs it — and are they buying?Strong
Capital allocation, dilution, and insider conviction.
Stewardship score — free accountDilution · 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.
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.
| Insider | Action | Shares | Value | Date |
|---|---|---|---|---|
| Wilcox William RichardExecutive Vice President | Sell | 1,100 | $1.1M | Oct 13, 2026 |
| Frates CatonSr. Executive Vice President | Sell | 801 | $733K | Sep 29, 2026 |
| Adamo ClaudineExecutive Vice President | Sell | 2,200 | $2.0M | Sep 29, 2026 |
| DENMAN KENNETH Ddirector | Sell | 885 | $847K | Jun 23, 2026 |
| Frates CatonExecutive Vice President | Sell | 700 | $695K | Apr 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 tradeBear · 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 accountGrowth disappoints and the multiple compresses — the downside if things go wrong.
Base case
Base case price target — free accountThe most likely path given current fundamentals — the scenario to anchor on.
Bull case
Bull case price target — free accountExecution beats expectations and growth holds — the upside if things go right.
Company financials
5-Year Financials
Income statement highlights — annual, USD
| Metric | 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| 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 Margin | 3.0% | 2.9% | 2.9% | 2.6% | 2.6% |
| EPS (Diluted) | $20.78 | $18.24 | $16.60 | $14.18 | $13.17 |
About Costco Wholesale Corporation
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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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.