WallStSmart

Northwest Natural Gas Co (NWN)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vistra Energy Corp generates 1276% more annual revenue ($17.74B vs $1.29B). NWN leads profitability with a 8.8% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.36. NWN earns a higher WallStSmart Score of 64/100 (C+).

NWN

Buy

64

out of 100

Grade: C+

Growth: 6.7Profit: 6.0Value: 6.0Quality: 3.5
Piotroski: 4/9Altman Z: 0.72

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

NWNUndervalued (+32.4%)

Margin of Safety

+32.4%

Fair Value

$72.25

Current Price

$53.12

$19.13 discount

UndervaluedFair: $72.25Overvalued
VSTSignificantly Overvalued (-54.4%)

Margin of Safety

-54.4%

Fair Value

$100.34

Current Price

$157.84

$57.50 premium

UndervaluedFair: $100.34Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NWN3 strengths · Avg: 8.7/10
Price/BookValuation
1.5x10/10

Reasonable price relative to book value

Operating MarginProfitability
25.4%8/10

Strong operational efficiency at 25.4%

EPS GrowthGrowth
24.1%8/10

Earnings expanding 24.1% YoY

VST1 strengths · Avg: 9.0/10
Market CapQuality
$53.44B9/10

Large-cap with strong market position

Areas to Watch

NWN4 concerns · Avg: 2.5/10
Return on EquityProfitability
7.9%3/10

ROE of 7.9% — below average capital efficiency

Debt/EquityHealth
1.763/10

Elevated debt levels

PEG RatioValuation
2.812/10

Expensive relative to growth rate

Free Cash FlowQuality
$-130.97M2/10

Negative free cash flow — burning cash

VST4 concerns · Avg: 2.5/10
Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
72.4x2/10

Premium valuation, high expectations priced in

Price/BookValuation
20.4x2/10

Trading at 20.4x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : NWN

The strongest argument for NWN centers on Price/Book, Operating Margin, EPS Growth.

Bull Case : VST

The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.36 suggests the stock is reasonably priced for its growth.

Bear Case : NWN

The primary concerns for NWN are Return on Equity, Debt/Equity, PEG Ratio. Debt-to-equity of 1.76 is elevated, increasing financial risk.

Bear Case : VST

The primary concerns for VST are Profit Margin, Piotroski F-Score, P/E Ratio. A P/E of 72.4x 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 1.50 — 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 GAS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

NWN scores higher overall (64/100 vs 53/100). 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.

Northwest Natural Gas Co

UTILITIES · UTILITIES - REGULATED GAS · USA

Northwest Natural Holding Company, through its subsidiary, Northwest Natural Gas Company, provides regulated natural gas distribution services to residential, commercial, industrial and transportation customers in Oregon and Southwest Washington. The company is headquartered in Portland, Oregon.

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Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

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

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