Point-in-time snapshot as of September 22, 2026 (market data through the Sept 21, 2026 close)
Costco scores a 54 out of 100 today — a Hold, not a Buy or a Sell. The company is firing on all cylinders operationally; the stock price just doesn’t leave much room for anything to go wrong.
The single biggest factor pulling the score down is valuation: even after an 18% pullback from its May 2026 high, COST still trades around 45 times trailing earnings — nearly double Walmart’s multiple and more than double BJ’s Wholesale’s — while the growth momentum, though real, is no longer unique to Costco.
The one thing to watch next: Costco reports fiscal fourth-quarter earnings this Thursday, September 24, 2026, after the market closes. Wall Street expects $94.85 billion in revenue and $6.55 in earnings per share — and at least one major analyst (Oppenheimer) has already flagged margin-miss risk.
| Section | Weight | Score (0–100) | Weighted contribution |
|---|---|---|---|
| Business Model & Competitive Position | 8% | 88 |
7.0 |
| Financial Health & Ratios | 10% | 78 |
7.8 |
| Earnings Quality, Trends & Growth | 10% | 85 |
8.5 |
| Peer & Industry Comparison | 7% | 72 |
5.0 |
| Valuation & Market-Implied Expectations | 15% | 55 |
8.3 |
| DCF & Intrinsic Value | 10% | 60 |
6.0 |
| Technical Analysis & Momentum | 7% | 40 |
2.8 |
| Analyst Consensus & Price Targets | 7% | 75 |
5.3 |
| News, Sentiment & Catalysts | 6% | 58 |
3.5 |
| Risk Assessment | 10% | 62 |
6.2 |
| Subtotal (fundamentals, valuation, sentiment) | 90% | — | 60.4 |
Macro adjustment: headwind — multiplier 0.90. The Fed raised its target rate to 3.75%–4.00% on September 16, 2026, with inflation running at 3.4% on an oil-price shock tied to Middle East tensions (see our companion Economic Health Check post for the full nine-factor macro breakdown behind this multiplier). 60.4 × 0.90 = Final Score: 54.3 / 100 — Hold.
Why This Score
Three things are pulling the score toward “great”:
- Best-in-class loyalty. Member renewal rates sit at 92.3% in the U.S. and Canada and 89.8% worldwide (fiscal year ended Aug 31, 2025) — few retailers come close.
- Growth is accelerating, not decelerating. Revenue growth ran 8.2% → 9.1% → 11.6% across fiscal 2026’s first three quarters, with membership fee income growing even faster.
- A fortress balance sheet. Roughly $14 billion in cash and a debt-to-equity ratio near 0.2–0.3x give Costco enormous flexibility, including room for a possible special dividend.
What’s Working Against Us
Three things are pulling the score toward “awful”:
- A demanding valuation. A price-to-earnings ratio (price divided by yearly profit per share) near 45x and a PEG ratio (P/E divided by growth rate) near 4.5x leave almost no margin of safety.
- A hawkish macro backdrop. The Fed just raised its target rate to 3.75%–4.00% (Sept 16, 2026) as oil-driven inflation hit 3.4% — a headwind for both consumer spending and high-multiple stocks like this one.
- A binary event two days away. The stock is already down about 18% from its high, and Oppenheimer has explicitly flagged the risk of a margin miss when Q4 results land Thursday.
The Ten Pieces, in Plain English
Business Model & Competitive Position: 88/100
Costco’s real product is the membership card, not the merchandise. About 147 million cardholders pay an annual fee for warehouse access, and that fee is almost pure profit — it’s what lets Costco sell everything else near cost. Renewal rates sit at 92.3% in the U.S./Canada and 89.8% worldwide (FY2025), among the highest customer-loyalty numbers in retail. A tight ~4,000-item lineup, heavy private-label ("Kirkland Signature") sales, and massive buying scale round out a genuinely durable moat (a lasting competitive edge).
Financial Health & Ratios: 78/100
The balance sheet is close to bulletproof: roughly $14 billion in cash, debt-to-equity near 0.2–0.3x, and operating income that covers interest expense many times over. Gross margin (11.12%, FY2025) and operating margin (3.85%) look thin, but that’s normal for Costco’s low-markup model — net margin runs a healthy ~3.0% and return on equity is in the high-20s percent range. The soft spot: at 45–46x trailing earnings, the price tag itself is stretched by almost any measure.
Earnings Quality, Trends & Growth: 85/100
Growth has been accelerating: revenue growth ran 8.2% in fiscal Q1 2026, 9.1% in Q2, then 11.6% in Q3 — a rare trend for a company this size. Membership fee income (the highest-margin line) is growing even faster (10–14% per quarter) than merchandise sales, exactly the mix shift long-term holders want. Reported earnings have tracked closely with underlying operations, with no red flags around one-time items.
Peer & Industry Comparison: 72/100
Costco is currently growing sales faster than Walmart, BJ’s Wholesale, or Target — its latest quarter’s 11.6% growth beats Walmart’s and BJ’s roughly 5.6% by a wide margin. But Walmart trades at a similar ~44x forward multiple while posting a higher operating margin (4.2% vs. Costco’s 3.85%) and its own fast-growing, high-margin advertising business. BJ’s, the "value" option, trades at less than half Costco’s multiple (~19–23x) — a reminder Costco’s premium is a bet on brand and scale, not superior merchandise profitability.
Valuation & Market-Implied Expectations: 55/100
To justify 45x earnings, the market needs Costco to keep growing earnings at a fast clip for the better part of a decade with stable-to-rising margins. That’s plausible given the renewal-rate and comp-sales trends, but it leaves almost no room for a normal slowdown. Value it like Walmart (44x) instead of on its own growth premium, and the stock is worth roughly $865–$880 — close to, or even below, its Sept 21, 2026 close of $898.48.
DCF & Intrinsic Value: 60/100
A simplified cash-flow model (a way of estimating what a company is worth today based on the cash it’s expected to generate) — using ~$300 billion in current-year revenue, decelerating growth, and a discount rate suited to a very low-debt business (~7.5–8%) — puts base-case fair value at roughly $900–$980 per share, almost exactly where the stock sits today: fair, not cheap. The bear case points to $650–$700; the bull case points to $1,150–$1,250 — a wide range that shows how sensitive this price is to just a few assumptions.
Technical Analysis & Momentum: 40/100
COST peaked near $1,092 in May 2026 and has fallen roughly 18% since, closing at $898.48 on September 21 — a decline large enough to have pushed the stock below both its 50-day and 200-day moving averages (common trend-following benchmarks). Options markets are pricing a sizable move in either direction once Thursday’s earnings land. Momentum is bearish-to-neutral heading into a binary, stock-moving event.
Analyst Consensus & Price Targets: 75/100
Wall Street’s consensus rating is Moderate Buy/Buy, and the average 12-month price target of $1,088.89 implies roughly 21% upside from today’s price. But the tone turned more cautious in just the past week: Bank of America cut its target to $1,095 from $1,200 on September 16, and Oppenheimer — while keeping its Buy rating — warned the same day that Costco’s "core" earnings could miss estimates. UBS remained bullish as of September 18.
News, Sentiment & Catalysts: 58/100
The headline news is genuinely positive: Costco just launched nationwide same-day delivery through DoorDash (Sept 22) across roughly 630 U.S. warehouses, on top of an expanded Uber Eats deal covering about 600 locations — real progress on the e-commerce gap with Walmart and Amazon. Speculation is also building around a possible special dividend, given an estimated ~$20 billion cash balance. Offsetting that: several analysts trimmed targets or flagged margin risk in the same week, and tariff policy remains an unresolved cost pressure.
Risk Assessment: 62/100
Costco is a genuinely low-volatility business by nature — modest debt, a historically below-market beta, and a customer base that keeps shopping in good times and bad. Near-term risk is elevated mainly because two things are stacking up at once: a rich valuation with little cushion, and a binary earnings report landing two days from this snapshot, against a backdrop where the Fed just raised rates to 3.75%–4.00% (Sept 16) as inflation ran to 3.4%.
What to Watch Next
- Thursday, September 24 — fiscal Q4 & full-year earnings (after market close). Consensus calls for $94.85 billion in revenue and $6.55 in earnings per share. A margin miss here would be the clearest signal the current price is too rich; a clean beat plus any special-dividend announcement would argue for an upgrade.
- Ongoing — the DoorDash/Uber Eats delivery rollout. Watch upcoming e-commerce and comparable-sales figures for signs the new delivery partnerships are actually moving the needle, not just generating headlines.
Also on the calendar: Costco doesn’t hold a separate investor day; the next scheduled data points after Thursday are the October and November monthly sales releases and fiscal Q1 2027 results in December.
At 54 out of 100, Costco earns a Hold: a wonderful business, priced two days before earnings as if nothing could possibly go wrong.
Sources: Costco Wholesale Corporation SEC filings (10-K, fiscal year ended Aug 31, 2025; fiscal 2026 Q1–Q3 earnings releases); company releases via investor.costco.com; analyst commentary and price targets via TipRanks, Benzinga, MarketBeat, and CNN Markets (Sept 16–22, 2026); macro data via FT Portfolios/Bloomberg and FRED-sourced trackers (Sept 2026); peer data for Walmart, BJ’s Wholesale, and Target via company reports and market data aggregators. Not investment advice; reflects a point-in-time snapshot as of September 22, 2026 (market data through the September 21, 2026 close).
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