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Costco is a premier mature compounder generating highly predictable, high-margin membership fee revenue. However, the current market price of $1,011.71 implies an unsustainable >15% 10-year growth rate and a 45x terminal multiple, driving our $533.50 fair value and a Sell rating. Fair value range: low $385, high $683, with mid-point at $534.
Stock analysis

COST Costco Wholesale Corporation fair value $534–$683

COST
By StockMarketAgent.AI team· supervised by
分析日: 2026-05-08次回更新: 2026-08-08Methodology v2.4Archetype: Mature compounderNASDAQ · Consumer Staples
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株価
$1011.72
▼ -478.22 (-47.27%)
公正価値
$534
$534–$683
評価
売り
confidence 88/100
上昇余地
-47.3%
upside to fair value
安全余裕率
$453.47
buy below · 15%
時価総額
$448.8B
P/E fwd 45.0
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§1 エグゼクティブサマリー

  • Fair value of $533.50 implies a -47% downside, triggering a hard Sell rating.
  • Membership model drives 23.2% ROIC and unmatched predictability.
  • Current 45x P/E requires >15% sustained growth, an improbable feat given base rates.
  • A multiple reversion to the historical 25x cap wipes out years of compounding.
Fair value
$534
Margin of safety
-89.6%
Confidence
88/100
Moat
9/10

Educational analysis only — not financial advice. Always do your own due diligence.

$1,011.72Price
FV $533.5
High $683.21

Costco is a premier mature compounder generating highly predictable, high-margin membership fee revenue. However, the current market price of $1,011.71 implies an unsustainable >15% 10-year growth rate and a 45x terminal multiple, driving our $533.50 fair value and a Sell rating.

  • High-margin membership fee model
    High-margin membership fee model
  • Massive scale and purchasing power
    Massive scale and purchasing power
  • Cycle upside
    Consumer flight to value consolidates market share among scaled operators and warehouse clubs.

§2 ベアケース

A simultaneous consumer recession and macro multiple contraction exposes Costco's lack of valuation safety. Core cash flows survive, but equity value drops 50% as the 45x multiple collapses.

このテーゼが崩れる経路

Multiple Normalization

· High

Forward P/E compresses from >45x to the historical 25x cap, causing massive equity destruction despite stable operations.

FV impact
-47% to midpoint
Trigger
12-24 Months

Growth Deceleration

· Medium

Revenue growth fades below 5% prematurely, triggering a violent re-rating of the terminal multiple by momentum investors.

FV impact
Down to $434 (DCF)
Trigger
24-36 Months

Margin Erosion

· Low

Inflationary pressures and fierce competition force gross margin concessions, dropping operating margins below the 3.7% steady state.

FV impact
Down to $385
Trigger
36-48 Months
監視すべき早期警戒シグナル
指標現在トリガーしきい値
Membership renewal rate dropping below 90%.MonitorDeterioration versus the report thesis
Comparable sales lagging CPI inflation.MonitorDeterioration versus the report thesis
Operating margin falling persistently below 3.5%.MonitorDeterioration versus the report thesis
SGA expenses outpacing absolute revenue growth.MonitorDeterioration versus the report thesis
Deceleration in international warehouse openings.MonitorDeterioration versus the report thesis

§3 財務履歴

損益計算書 — 直近6期
項目T−0T−1T−2T−3CAGR
期間2022-08-312023-08-312024-08-312025-08-31Trend
売上高$226.95B$242.29B$254.45B$275.24B+6.6%
売上総利益$27.57B$29.70B$32.10B$35.35B+8.6%
営業利益$7.79B$8.11B$9.29B$10.38B+10.0%
純利益$5.84B$6.29B$7.37B$8.10B+11.5%
EPS (希薄化後)$13.14$14.16$16.56$18.21+11.5%
EBITDA$9.90B$10.72B$12.15B$13.40B+10.6%
研究開発
販管費$19.78B$21.59B$22.81B$24.97B+8.1%

品質スコア

Piotroski F-スコア
6 / 9
0–9 品質コンポジット
Altman Zスコア
10.09
倒産リスク (>3 で安全)
Beneish Mスコア
-2.66
利益操作リスク
OCF / 純利益
1.65×
>1 は利益の質が高いことを示す
会計品質ゲート
Pass
セクター調整後ゲート
ROIC
23.2%
投下資本利益率
セクション 3

Numbers analysis

資本配分

Capital allocation should be evaluated against reinvestment needs, balance-sheet strength, and shareholder returns.

個人サブスクライバー — §4以降11セクション追加

完全な分析を読む — 11セクション追加。

Competitive moat, industry cycle, peer comparison, intrinsic valuation, sensitivity, scenarios, earnings decision tree, position management, investor perspectives, scorecard, and final recommendation.

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FAQ

COST — frequently asked questions

  1. Based on our latest analysis, COST looks meaningfully overvalued. The current price is $1012 versus a composite fair-value midpoint of $534 (range $385–$683), which implies roughly 47.3% downside to the midpoint.
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Same archetype: mature-compounder
Same sector: Consumer Staples