WallStSmart

Comfort Systems USA Inc (FIX)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vistra Energy Corp generates 75% more annual revenue ($17.74B vs $10.14B). FIX leads profitability with a 12.1% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.34. FIX earns a higher WallStSmart Score of 60/100 (C).

FIX

Buy

60

out of 100

Grade: C

Growth: 8.0Profit: 8.0Value: 4.3Quality: 6.3
Piotroski: 4/9Altman Z: 3.72

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

Intrinsic value data unavailable for FIX.

VSTSignificantly Overvalued (-53.3%)

Margin of Safety

-53.3%

Fair Value

$101.06

Current Price

$158.29

$57.23 premium

UndervaluedFair: $101.06Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FIX4 strengths · Avg: 9.3/10
Return on EquityProfitability
53.3%10/10

Every $100 of equity generates 53 in profit

Altman Z-ScoreHealth
3.7210/10

Safe zone — low bankruptcy risk

Market CapQuality
$64.78B9/10

Large-cap with strong market position

EPS GrowthGrowth
38.8%8/10

Earnings expanding 38.8% YoY

VST1 strengths · Avg: 9.0/10
Market CapQuality
$52.57B9/10

Large-cap with strong market position

Areas to Watch

FIX3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
1.0%4/10

1.0% revenue growth

P/E RatioValuation
53.2x2/10

Premium valuation, high expectations priced in

Price/BookValuation
109.6x2/10

Trading at 109.6x book value

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
71.6x2/10

Premium valuation, high expectations priced in

Price/BookValuation
20.4x2/10

Trading at 20.4x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : FIX

The strongest argument for FIX centers on Return on Equity, Altman Z-Score, Market Cap. PEG of 1.44 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 1.34 suggests the stock is reasonably priced for its growth.

Bear Case : FIX

The primary concerns for FIX are Revenue Growth, P/E Ratio, Price/Book. A P/E of 53.2x leaves little room for execution misses.

Bear Case : VST

The primary concerns for VST are Profit Margin, Piotroski F-Score, P/E Ratio. A P/E of 71.6x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.

Key Dynamics to Monitor

FIX carries more volatility with a beta of 1.60 — expect wider price swings.

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

FIX generates stronger free cash flow (241M), providing more financial flexibility.

Monitor ENGINEERING & CONSTRUCTION industry trends, competitive dynamics, and regulatory changes.

Bottom Line

FIX scores higher overall (60/100 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.

Comfort Systems USA Inc

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, repair and replacement services for the mechanical and electrical service industry in the United States. The company is headquartered in Houston, Texas.

Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

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

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