WallStSmart

Arch Capital Group Ltd (ACGL)vsIron Mountain Incorporated (IRM)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Arch Capital Group Ltd generates 189% more annual revenue ($19.93B vs $6.90B). ACGL leads profitability with a 22.1% profit margin vs 2.1%. 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: 7.0Quality: 6.5
Piotroski: 5/9

IRM

Buy

52

out of 100

Grade: C-

Growth: 6.0Profit: 7.0Value: 2.7Quality: 3.3
Piotroski: 2/9Altman Z: 0.12
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for ACGL.

IRMOvervalued (-10.8%)

Margin of Safety

-10.8%

Fair Value

$90.41

Current Price

$125.99

$35.58 premium

UndervaluedFair: $90.41Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ACGL6 strengths · Avg: 9.0/10
P/E RatioValuation
8.4x10/10

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

IRM3 strengths · Avg: 8.7/10
Return on EquityProfitability
225.1%10/10

Every $100 of equity generates 225 in profit

Operating MarginProfitability
22.0%8/10

Strong operational efficiency at 22.0%

Revenue GrowthGrowth
16.6%8/10

16.6% revenue growth

Areas to Watch

ACGL0 concerns · Avg: 0/10

No major concerns identified

IRM4 concerns · Avg: 2.5/10
Profit MarginProfitability
2.1%3/10

2.1% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
2.702/10

Expensive relative to growth rate

P/E RatioValuation
229.0x2/10

Premium valuation, high expectations priced in

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 : IRM

The strongest argument for IRM centers on Return on Equity, Operating Margin, Revenue Growth. Revenue growth of 16.6% demonstrates continued momentum.

Bear Case : ACGL

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

Bear Case : IRM

The primary concerns for IRM are Profit Margin, Piotroski F-Score, PEG Ratio. A P/E of 229.0x leaves little room for execution misses. Thin 2.1% margins leave little buffer for downturns.

Key Dynamics to Monitor

ACGL profiles as a mature stock while IRM is a growth play — different risk/reward profiles.

IRM carries more volatility with a beta of 1.15 — expect wider price swings.

IRM is growing revenue faster at 16.6% — sustainability is the question.

ACGL generates stronger free cash flow (1.4B), providing more financial flexibility.

Bottom Line

ACGL scores higher overall (81/100 vs 52/100), 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.

Iron Mountain Incorporated

REAL ESTATE · REIT - SPECIALTY · USA

Iron Mountain Inc. (NYSE: IRM) is an American enterprise information management services company founded in 1951 and headquartered in Boston, Massachusetts.

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