AlphaStocks
4.9
Weak

Costco Wholesale Corp (COST)

As of Sep 20, 2026, Costco Wholesale Corp (COST) scores 4.9/10 on AlphaStocks' five-model composite, #36 of 78 Consumer Staples stocks. At $896, COST trades 89% above its model fair value of $474.

Consumer Staples / Consumer Staples Merchandise Retail

S&P 500

$895.75

Below average on several measures. Research carefully.

Weak

Score based on 5 of 5 models — high confidence

Data as of Sep 20, 2026

#36out of 78 in Consumer Staples

Is COSTCO WHOLESALE CORP /NEW a Good Investment in 2026?

COSTCO WHOLESALE CORP /NEW (COST) scores 4.9 out of 10 on AlphaStocks' composite model, earning a Weak rating. The Buffett model rates COSTCO WHOLESALE CORP /NEW as Strong. However, the Greenblatt Magic Formula model rates it Caution — Earnings yield 2.5% · ROC 31%. COSTCO WHOLESALE CORP /NEW currently trades 89% above its estimated fair value of $474. COSTCO WHOLESALE CORP /NEW ranks #36 out of 78 stocks in the Consumer Staples sector.

This summary is algorithmically generated and is not financial advice.

Key Metrics

P/E49.2ROE28.8Market Cap398BDiv Yield0.5

Estimated Fair Value

$473.7589% above

Trading above estimated fair value. P/e of 49x implies high growth expectations.

Model-based estimate, not a price target.

5-Model Analysis

Each model evaluates this stock from a different angle. Combined, they form the composite score above.

Piotroski

Attractive

6/9

Buffett

Strong

Business quality & competitive moat

Graham

Neutral

Significantly above fair value

Lynch

Attractive

PEG 4.6 · Stalwart

Greenblatt

Caution

Earnings yield 2.5% · ROC 31%

Frequently Asked Questions

Is COSTCO WHOLESALE CORP /NEW (COST) a good investment?
As of Sep 20, 2026, Costco Wholesale Corp (COST) scores 4.9/10 on AlphaStocks' five-model composite, #36 of 78 Consumer Staples stocks. At $896, COST trades 89% above its model fair value of $474. That score is below average, suggesting caution.
What is COSTCO WHOLESALE CORP /NEW's Piotroski F-Score?
COSTCO WHOLESALE CORP /NEW's Piotroski F-Score status is Attractive. The raw score is 6/9. The Piotroski F-Score evaluates financial health using 9 fundamental signals including profitability, leverage, and operating efficiency.
Is COST overvalued or undervalued?
Based on AlphaStocks' model-based fair value estimate of $474, COST appears overvalued. The stock currently trades 89% above its estimated fair value. Trading above estimated fair value. P/e of 49x implies high growth expectations.
How does COST compare to other Consumer Staples stocks?
COSTCO WHOLESALE CORP /NEW ranks #36 out of 78 stocks in the Consumer Staples sector, placing it in the top 46% of its sector by composite score. This is an above-average position relative to sector peers.
What do investment models say about COST?
AlphaStocks evaluates COST using five proven investment models. Piotroski: Attractive; Buffett: Strong; Graham: Neutral; Lynch: Attractive; Greenblatt Magic Formula: Caution. These models are combined into a single composite score of 4.9/10.

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Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer