WallStSmart

Mizuho Financial Group Inc. (MFG)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Mizuho Financial Group Inc. generates 22551% more annual revenue ($4.02T vs $17.74B). MFG leads profitability with a 26.1% profit margin vs 5.3%. MFG appears more attractively valued with a PEG of 0.86. 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

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 4.7Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
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
VSTSignificantly Overvalued (-980.6%)

Margin of Safety

-980.6%

Fair Value

$14.82

Current Price

$151.51

$136.69 premium

UndervaluedFair: $14.82Overvalued

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

VST1 strengths · Avg: 9.0/10
Market CapQuality
$51.70B9/10

Large-cap with strong market position

Areas to Watch

MFG0 concerns · Avg: 0/10

No major concerns identified

VST4 concerns · Avg: 3.0/10
Price/BookValuation
19.5x4/10

Trading at 19.5x book value

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
70.1x2/10

Premium valuation, high expectations priced in

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 : VST

The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.27 suggests the stock is reasonably priced for its growth.

Bear Case : MFG

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

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.1x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.

Key Dynamics to Monitor

MFG profiles as a mature stock while VST is a value play — different risk/reward profiles.

VST carries more volatility with a beta of 1.45 — expect wider price swings.

VST is growing revenue faster at 13.6% — sustainability is the question.

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

Bottom Line

MFG scores higher overall (74/100 vs 53/100), 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.

Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

Vistra Corp. The company is headquartered in Irving, Texas.

Want to dig deeper into these stocks?