WallStSmart

Arch Capital Group Ltd (ACGL)vsCostco Wholesale Corp (COST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Costco Wholesale Corp generates 1336% more annual revenue ($286.27B vs $19.93B). ACGL leads profitability with a 22.1% profit margin vs 3.0%. ACGL appears more attractively valued with a PEG of 1.06. ACGL earns a higher WallStSmart Score of 81/100 (A-).

ACGL

Exceptional Buy

81

out of 100

Grade: A-

Growth: 8.7Profit: 8.0Value: 10.0Quality: 6.5
Piotroski: 5/9

COST

Buy

53

out of 100

Grade: C-

Growth: 6.0Profit: 6.5Value: 2.0Quality: 7.5
Piotroski: 4/9Altman Z: 4.84
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ACGLUndervalued (+81.8%)

Margin of Safety

+81.8%

Fair Value

$542.88

Current Price

$93.32

$449.56 discount

UndervaluedFair: $542.88Overvalued
COSTSignificantly Overvalued (-74.7%)

Margin of Safety

-74.7%

Fair Value

$558.15

Current Price

$974.86

$416.71 premium

UndervaluedFair: $558.15Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ACGL6 strengths · Avg: 9.0/10
P/E RatioValuation
8.1x10/10

Attractively priced relative to earnings

Price/BookValuation
1.4x10/10

Reasonable price relative to book value

Profit MarginProfitability
22.1%9/10

Keeps 22 of every $100 in revenue as profit

Debt/EquityHealth
0.119/10

Conservative balance sheet, low leverage

Operating MarginProfitability
29.5%8/10

Strong operational efficiency at 29.5%

EPS GrowthGrowth
38.8%8/10

Earnings expanding 38.8% YoY

COST5 strengths · Avg: 9.2/10
Market CapQuality
$432.25B10/10

Mega-cap, among the largest globally

Altman Z-ScoreHealth
4.8410/10

Safe zone — low bankruptcy risk

Return on EquityProfitability
29.6%9/10

Every $100 of equity generates 30 in profit

Debt/EquityHealth
0.279/10

Conservative balance sheet, low leverage

Free Cash FlowQuality
$1.71B8/10

Generating 1.7B in free cash flow

Areas to Watch

ACGL0 concerns · Avg: 0/10

No major concerns identified

COST4 concerns · Avg: 3.0/10
Price/BookValuation
13.5x4/10

Trading at 13.5x book value

Profit MarginProfitability
3.0%3/10

3.0% margin — thin

Operating MarginProfitability
3.7%3/10

Operating margin of 3.7%

PEG RatioValuation
5.412/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : ACGL

The strongest argument for ACGL centers on P/E Ratio, Price/Book, Profit Margin. Profitability is solid with margins at 22.1% and operating margin at 29.5%. PEG of 1.06 suggests the stock is reasonably priced for its growth.

Bull Case : COST

The strongest argument for COST centers on Market Cap, Altman Z-Score, Return on Equity.

Bear Case : ACGL

No major red flags identified for ACGL, but monitor valuation.

Bear Case : COST

The primary concerns for COST are Price/Book, Profit Margin, Operating Margin. A P/E of 50.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.

Key Dynamics to Monitor

ACGL profiles as a mature stock while COST is a value play — different risk/reward profiles.

COST carries more volatility with a beta of 0.99 — expect wider price swings.

COST is growing revenue faster at 9.2% — sustainability is the question.

COST generates stronger free cash flow (1.7B), providing more financial flexibility.

Bottom Line

ACGL scores higher overall (81/100 vs 53/100), backed by strong 22.1% margins. Both earn "Exceptional Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Arch Capital Group Ltd

FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA

Arch Capital Group Ltd., offers insurance, reinsurance and mortgage products worldwide. The company is headquartered in Pembroke, Bermuda.

Costco Wholesale Corp

CONSUMER DEFENSIVE · DISCOUNT STORES · USA

Costco Wholesale Corporation (doing business as Costco Wholesale and also known simply as Costco) is an American multinational corporation which operates a chain of membership-only (needing a membership to shop there) big-box retail stores. As of 2020, Costco was the fifth largest retailer in the world, and the world's largest retailer of choice and prime beef, organic foods, rotisserie chicken, and wine as of 2016.

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