WallStSmart

Pinnacle West Capital Corp (PNW)vsVistra Corp. (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vistra Corp. generates 225% more annual revenue ($17.74B vs $5.46B). PNW leads profitability with a 12.0% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.38. PNW earns a higher WallStSmart Score of 55/100 (C-).

PNW

Buy

55

out of 100

Grade: C-

Growth: 5.3Profit: 5.5Value: 4.0Quality: 2.8
Piotroski: 1/9Altman Z: 0.71

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 3.3Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

PNWFair Value (-2.9%)

Margin of Safety

-2.9%

Fair Value

$93.31

Current Price

$99.25

$5.94 premium

UndervaluedFair: $93.31Overvalued
VSTSignificantly Overvalued (-53.3%)

Margin of Safety

-53.3%

Fair Value

$101.06

Current Price

$147.72

$46.66 premium

UndervaluedFair: $101.06Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PNW1 strengths · Avg: 8.0/10
Price/BookValuation
1.7x8/10

Reasonable price relative to book value

VST1 strengths · Avg: 9.0/10
Market CapQuality
$52.12B9/10

Large-cap with strong market position

Areas to Watch

PNW4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.6%4/10

0.6% earnings growth

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
3.012/10

Expensive relative to growth rate

Free Cash FlowQuality
$-393.06M2/10

Negative free cash flow — burning cash

VST4 concerns · Avg: 3.0/10
Price/BookValuation
19.1x4/10

Trading at 19.1x 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
70.6x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : PNW

The strongest argument for PNW centers on Price/Book. Revenue growth of 11.4% demonstrates continued momentum.

Bull Case : VST

The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.38 suggests the stock is reasonably priced for its growth.

Bear Case : PNW

The primary concerns for PNW are EPS Growth, Piotroski F-Score, PEG Ratio.

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.6x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.

Key Dynamics to Monitor

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.

VST generates stronger free cash flow (-82M), providing more financial flexibility.

Monitor UTILITIES - REGULATED ELECTRIC industry trends, competitive dynamics, and regulatory changes.

Bottom Line

PNW scores higher overall (55/100 vs 53/100) and 11.4% revenue growth. Both earn "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.

Pinnacle West Capital Corp

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Pinnacle West Capital is a utility holding company that owns Arizona Public Service and Bright Canyon Energy.

Vistra Corp.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

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

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