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 8726% more annual revenue ($19.93B vs $225.81M). NBBK leads profitability with a 23.3% profit margin vs 22.1%. ACGL trades at a lower P/E of 8.4x. 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

NBBK

Strong Buy

66

out of 100

Grade: B-

Growth: 8.7Profit: 6.5Value: 6.0Quality: 5.0

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

NBBK5 strengths · Avg: 9.4/10
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
36.4%10/10

Revenue surging 36.4% year-over-year

Profit MarginProfitability
23.3%9/10

Keeps 23 of every $100 in revenue as profit

P/E RatioValuation
14.3x8/10

Attractively priced relative to earnings

Areas to Watch

ACGL0 concerns · Avg: 0/10

No major concerns identified

NBBK3 concerns · Avg: 2.7/10
Market CapQuality
$875.61M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.7%3/10

ROE of 6.7% — below average capital efficiency

Free Cash FlowQuality
$-1.60M2/10

Negative free cash flow — burning cash

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 : 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 36.4% demonstrates continued momentum.

Bear Case : ACGL

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

Bear Case : NBBK

The primary concerns for NBBK are Market Cap, Return on Equity, Free Cash Flow.

Key Dynamics to Monitor

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

ACGL carries more volatility with a beta of 0.38 — expect wider price swings.

NBBK is growing revenue faster at 36.4% — 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 66/100), backed by strong 22.1% margins. Both earn "Exceptional 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 prominent financial holding company based in the Northeastern United States, primarily offering a full suite of commercial banking services through its subsidiary, Northbridge Bank. Catering to small and medium-sized enterprises as well as individual customers, the company provides a diverse array of banking products, including loans, deposit accounts, and treasury management solutions. With a strong emphasis on community banking, NB Bancorp leverages local market knowledge to build lasting client relationships and enhance service delivery. The company is strategically focused on operational efficiency and asset growth, positioning itself for sustainable long-term value creation for its shareholders amidst a competitive financial landscape.

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