WallStSmart

Arch Capital Group Ltd. (ACGL)vsMainstreet Bank (MNSB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Arch Capital Group Ltd. generates 27284% more annual revenue ($19.78B vs $72.22M). ACGL leads profitability with a 24.6% profit margin vs 24.0%. ACGL trades at a lower P/E of 7.8x. ACGL earns a higher WallStSmart Score of 79/100 (B+).

ACGL

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 8.0Value: 7.0Quality: 6.0
Piotroski: 6/9Altman Z: 1.48

MNSB

Buy

55

out of 100

Grade: C

Growth: 5.3Profit: 7.0Value: 6.7Quality: 4.5
Piotroski: 4/9Altman Z: -0.79

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ACGL6 strengths · Avg: 9.2/10
P/E RatioValuation
7.8x10/10

Attractively priced relative to earnings

EPS GrowthGrowth
94.6%10/10

Earnings expanding 94.6% YoY

Return on EquityProfitability
20.1%9/10

Every $100 of equity generates 20 in profit

Profit MarginProfitability
24.6%9/10

Keeps 25 of every $100 in revenue as profit

Debt/EquityHealth
0.119/10

Conservative balance sheet, low leverage

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

MNSB4 strengths · Avg: 9.8/10
P/E RatioValuation
11.5x10/10

Attractively priced relative to earnings

Price/BookValuation
0.9x10/10

Reasonable price relative to book value

Operating MarginProfitability
32.6%10/10

Strong operational efficiency at 32.6%

Profit MarginProfitability
24.0%9/10

Keeps 24 of every $100 in revenue as profit

Areas to Watch

ACGL2 concerns · Avg: 2.0/10
Revenue GrowthGrowth
-3.3%2/10

Revenue declined 3.3%

Altman Z-ScoreHealth
1.482/10

Distress zone — elevated risk

MNSB3 concerns · Avg: 2.3/10
Market CapQuality
$166.41M3/10

Smaller company, higher risk/reward

Revenue GrowthGrowth
-8.8%2/10

Revenue declined 8.8%

Altman Z-ScoreHealth
-0.792/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : ACGL

The strongest argument for ACGL centers on P/E Ratio, EPS Growth, Return on Equity. Profitability is solid with margins at 24.6% and operating margin at 25.3%. PEG of 1.06 suggests the stock is reasonably priced for its growth.

Bull Case : MNSB

The strongest argument for MNSB centers on P/E Ratio, Price/Book, Operating Margin. Profitability is solid with margins at 24.0% and operating margin at 32.6%.

Bear Case : ACGL

The primary concerns for ACGL are Revenue Growth, Altman Z-Score.

Bear Case : MNSB

The primary concerns for MNSB are Market Cap, Revenue Growth, Altman Z-Score.

Key Dynamics to Monitor

MNSB carries more volatility with a beta of 0.52 — expect wider price swings.

ACGL is growing revenue faster at -3.3% — sustainability is the question.

ACGL generates stronger free cash flow (1.2B), providing more financial flexibility.

Monitor INSURANCE - DIVERSIFIED industry trends, competitive dynamics, and regulatory changes.

Bottom Line

ACGL scores higher overall (79/100 vs 55/100), backed by strong 24.6% margins. Both earn "Strong 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.

Mainstreet Bank

FINANCIAL SERVICES · BANKS - REGIONAL · USA

MainStreet Bancshares, Inc. is the banking holding company for MainStreet Bank offering a variety of banking products and services to individuals, small and medium-sized businesses and professional service organizations primarily in Northern Virginia and the greater Washington, District of Columbia area. The company is headquartered in Fairfax, Virginia.

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