WallStSmart

Duke Energy Corporation (DUK)vsPinnacle West Capital Corp (PNW)

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Smart Verdict

WallStSmart Research — data-driven comparison

Duke Energy Corporation generates 500% more annual revenue ($32.72B vs $5.46B). DUK leads profitability with a 15.7% profit margin vs 12.0%. DUK appears more attractively valued with a PEG of 2.70. DUK earns a higher WallStSmart Score of 67/100 (B-).

DUK

Strong Buy

67

out of 100

Grade: B-

Growth: 5.3Profit: 7.0Value: 3.3Quality: 3.0
Piotroski: 3/9Altman Z: 0.52

PNW

Buy

55

out of 100

Grade: C-

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

DUKSignificantly Overvalued (-52.3%)

Margin of Safety

-52.3%

Fair Value

$81.53

Current Price

$124.17

$42.64 premium

UndervaluedFair: $81.53Overvalued
PNWFair Value (-2.9%)

Margin of Safety

-2.9%

Fair Value

$93.31

Current Price

$99.25

$5.94 premium

UndervaluedFair: $93.31Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

DUK3 strengths · Avg: 8.3/10
Market CapQuality
$97.35B9/10

Large-cap with strong market position

Price/BookValuation
1.8x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.5%8/10

Strong operational efficiency at 25.5%

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

Reasonable price relative to book value

Areas to Watch

DUK4 concerns · Avg: 2.5/10
Debt/EquityHealth
1.753/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
2.702/10

Expensive relative to growth rate

Free Cash FlowQuality
$-2.58B2/10

Negative free cash flow — burning cash

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

Comparative Analysis Report

WallStSmart Research

Bull Case : DUK

The strongest argument for DUK centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 15.7% and operating margin at 25.5%. Revenue growth of 11.3% demonstrates continued momentum.

Bull Case : PNW

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

Bear Case : DUK

The primary concerns for DUK are Debt/Equity, Piotroski F-Score, PEG Ratio. Debt-to-equity of 1.75 is elevated, increasing financial risk.

Bear Case : PNW

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

Key Dynamics to Monitor

DUK profiles as a mature stock while PNW is a value play — different risk/reward profiles.

PNW carries more volatility with a beta of 0.46 — expect wider price swings.

PNW is growing revenue faster at 11.4% — sustainability is the question.

PNW generates stronger free cash flow (-393M), providing more financial flexibility.

Bottom Line

DUK scores higher overall (67/100 vs 55/100), backed by strong 15.7% margins and 11.3% revenue growth. 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.

Duke Energy Corporation

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Duke Energy Corporation is an American electric power and natural gas holding company headquartered in Charlotte, North Carolina.

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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.

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