WallStSmart

Quanta Services Inc (PWR)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Quanta Services Inc generates 70% more annual revenue ($30.12B vs $17.74B). VST leads profitability with a 5.3% profit margin vs 3.7%. VST appears more attractively valued with a PEG of 1.34. PWR earns a higher WallStSmart Score of 54/100 (C-).

PWR

Buy

54

out of 100

Grade: C-

Growth: 8.7Profit: 5.0Value: 3.7Quality: 5.0

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 PWR.

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

PWR3 strengths · Avg: 9.0/10
EPS GrowthGrowth
51.0%10/10

Earnings expanding 51.0% YoY

Market CapQuality
$113.65B9/10

Large-cap with strong market position

Revenue GrowthGrowth
26.3%8/10

Revenue surging 26.3% year-over-year

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

Large-cap with strong market position

Areas to Watch

PWR4 concerns · Avg: 3.5/10
PEG RatioValuation
2.434/10

Expensive relative to growth rate

Price/BookValuation
13.1x4/10

Trading at 13.1x book value

Profit MarginProfitability
3.7%3/10

3.7% margin — thin

Operating MarginProfitability
4.2%3/10

Operating margin of 4.2%

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 : PWR

The strongest argument for PWR centers on EPS Growth, Market Cap, Revenue Growth. Revenue growth of 26.3% 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 1.34 suggests the stock is reasonably priced for its growth.

Bear Case : PWR

The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 102.1x leaves little room for execution misses. Thin 3.7% margins leave little buffer for downturns.

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

PWR profiles as a growth 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.

PWR is growing revenue faster at 26.3% — sustainability is the question.

PWR generates stronger free cash flow (172M), providing more financial flexibility.

Bottom Line

PWR scores higher overall (54/100 vs 53/100) and 26.3% 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.

Quanta Services Inc

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

Quanta Services is an American corporation that provides infrastructure services for electric power, pipeline, industrial and communications industries. Capabilities include the planning, design, installation, program management, maintenance and repair of most types of network infrastructure.

Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

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

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