WallStSmart

Arch Capital Group Ltd. (ACGL)vsNB Bancorp, Inc. Common Stock (NBBK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Arch Capital Group Ltd. generates 8658% more annual revenue ($19.78B vs $225.81M). ACGL leads profitability with a 24.6% profit margin vs 23.3%. ACGL trades at a lower P/E of 7.0x. 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

NBBK

Strong Buy

66

out of 100

Grade: B-

Growth: 8.7Profit: 6.5Value: 6.0Quality: 5.8
Piotroski: 3/9Altman Z: 1.38

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ACGL6 strengths · Avg: 9.5/10
P/E RatioValuation
7.0x10/10

Attractively priced relative to earnings

Price/BookValuation
1.3x10/10

Reasonable price relative to book value

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

NBBK6 strengths · Avg: 9.3/10
Price/BookValuation
1.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
34.9%10/10

Strong operational efficiency at 34.9%

Revenue GrowthGrowth
36.3%10/10

Revenue surging 36.3% year-over-year

Profit MarginProfitability
23.3%9/10

Keeps 23 of every $100 in revenue as profit

Debt/EquityHealth
0.239/10

Conservative balance sheet, low leverage

P/E RatioValuation
14.4x8/10

Attractively priced relative to earnings

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

NBBK4 concerns · Avg: 2.8/10
Market CapQuality
$863.34M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.3%3/10

ROE of 6.3% — below average capital efficiency

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Altman Z-ScoreHealth
1.382/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : ACGL

The strongest argument for ACGL centers on P/E Ratio, Price/Book, EPS Growth. 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 : NBBK

The strongest argument for NBBK centers on Price/Book, Operating Margin, Revenue Growth. Profitability is solid with margins at 23.3% and operating margin at 34.9%. Revenue growth of 36.3% demonstrates continued momentum.

Bear Case : ACGL

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

Bear Case : NBBK

The primary concerns for NBBK are Market Cap, Return on Equity, Piotroski F-Score.

Key Dynamics to Monitor

ACGL profiles as a declining stock while NBBK is a growth play — different risk/reward profiles.

ACGL carries more volatility with a beta of 0.31 — expect wider price swings.

NBBK is growing revenue faster at 36.3% — sustainability is the question.

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

Bottom Line

ACGL scores higher overall (79/100 vs 66/100), backed by strong 24.6% margins. Both earn "Strong Buy" and "Strong 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.

NB Bancorp, Inc. Common Stock

FINANCIAL SERVICES · BANKS - REGIONAL · USA

NB Bancorp, Inc. is a leading financial holding company located in the Northeastern United States, delivering an extensive range of commercial banking services through its subsidiary, Northbridge Bank. The firm primarily serves small and medium-sized enterprises, as well as individual customers, offering products such as loans, deposit accounts, and treasury management solutions. With a strong commitment to community banking, NB Bancorp utilizes local market expertise to foster enduring client relationships and enrich service quality. The company's strategic focus on operational efficiency and asset growth underpins its efforts to generate sustainable long-term value for shareholders in a competitive banking environment.

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