WallStSmart

Mizuho Financial Group Inc. (MFG)vsNB Bancorp, Inc. Common Stock (NBBK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Mizuho Financial Group Inc. generates 1922261% more annual revenue ($4.02T vs $209.00M). MFG leads profitability with a 26.1% profit margin vs 24.1%. MFG trades at a lower P/E of 14.3x. MFG earns a higher WallStSmart Score of 74/100 (B).

MFG

Strong Buy

74

out of 100

Grade: B

Growth: 8.0Profit: 7.5Value: 10.0Quality: 5.0

NBBK

Buy

56

out of 100

Grade: C

Growth: 7.3Profit: 6.5Value: 5.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MFGUndervalued (+42.4%)

Margin of Safety

+42.4%

Fair Value

$17.51

Current Price

$7.81

$9.70 discount

UndervaluedFair: $17.51Overvalued
NBBKSignificantly Overvalued (-137.1%)

Margin of Safety

-137.1%

Fair Value

$9.11

Current Price

$20.70

$11.59 premium

UndervaluedFair: $9.11Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MFG6 strengths · Avg: 9.0/10
Price/BookValuation
0.3x10/10

Reasonable price relative to book value

Operating MarginProfitability
36.3%10/10

Strong operational efficiency at 36.3%

Market CapQuality
$92.84B9/10

Large-cap with strong market position

Profit MarginProfitability
26.1%9/10

Keeps 26 of every $100 in revenue as profit

PEG RatioValuation
0.868/10

Growing faster than its price suggests

P/E RatioValuation
14.3x8/10

Attractively priced relative to earnings

NBBK5 strengths · Avg: 9.4/10
Price/BookValuation
1.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
48.7%10/10

Strong operational efficiency at 48.7%

Revenue GrowthGrowth
40.3%10/10

Revenue surging 40.3% year-over-year

Profit MarginProfitability
24.1%9/10

Keeps 24 of every $100 in revenue as profit

P/E RatioValuation
15.3x8/10

Attractively priced relative to earnings

Areas to Watch

MFG0 concerns · Avg: 0/10

No major concerns identified

NBBK4 concerns · Avg: 2.5/10
Market CapQuality
$933.07M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

EPS GrowthGrowth
-52.5%2/10

Earnings declined 52.5%

Free Cash FlowQuality
$-1.60M2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : MFG

The strongest argument for MFG centers on Price/Book, Operating Margin, Market Cap. Profitability is solid with margins at 26.1% and operating margin at 36.3%. PEG of 0.86 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 24.1% and operating margin at 48.7%. Revenue growth of 40.3% demonstrates continued momentum.

Bear Case : MFG

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

Bear Case : NBBK

The primary concerns for NBBK are Market Cap, Return on Equity, EPS Growth.

Key Dynamics to Monitor

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

NBBK carries more volatility with a beta of 0.35 — expect wider price swings.

NBBK is growing revenue faster at 40.3% — sustainability is the question.

Monitor BANKS - REGIONAL industry trends, competitive dynamics, and regulatory changes.

Bottom Line

MFG scores higher overall (74/100 vs 56/100), backed by strong 26.1% 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.

Mizuho Financial Group Inc.

FINANCIAL SERVICES · BANKS - REGIONAL · USA

Mizuho Financial Group, Inc. engages in banking, trusts, securities and other businesses related to financial services in Japan, America, Europe, Asia / Oceania and internationally. The company is headquartered in Tokyo, Japan.

NB Bancorp, Inc. Common Stock

FINANCIAL SERVICES · BANKS - REGIONAL · USA

NB Bancorp, Inc. is a dynamic financial holding company headquartered in the Northeastern United States, primarily focused on delivering comprehensive commercial banking services through its subsidiary, Northbridge Bank. The company specializes in serving small to medium-sized businesses and individual clients, offering an extensive range of banking products, including loans, deposits, and treasury management solutions. With a commitment to community-oriented banking, NB Bancorp emphasizes local market expertise to foster robust client relationships and enhance customer satisfaction. As it navigates the competitive financial landscape, the company's strategic initiatives are aimed at operational efficiency and asset growth, positioning it for sustainable long-term shareholder value.

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