WallStSmart

Petróleo Brasileiro S.A. - Petrobras (PBR-A)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petróleo Brasileiro S.A. - Petrobras generates 2705% more annual revenue ($497.55B vs $17.74B). PBR-A leads profitability with a 22.1% profit margin vs 5.3%. PBR-A appears more attractively valued with a PEG of 0.30. PBR-A earns a higher WallStSmart Score of 75/100 (B).

PBR-A

Strong Buy

75

out of 100

Grade: B

Growth: 4.0Profit: 9.0Value: 10.0Quality: 5.5
Piotroski: 5/9Altman Z: 1.35

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 4.7Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

PBR-AUndervalued (+37.8%)

Margin of Safety

+37.8%

Fair Value

$23.71

Current Price

$18.13

$5.58 discount

UndervaluedFair: $23.71Overvalued
VSTSignificantly Overvalued (-980.6%)

Margin of Safety

-980.6%

Fair Value

$14.82

Current Price

$151.51

$136.69 premium

UndervaluedFair: $14.82Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PBR-A6 strengths · Avg: 9.2/10
PEG RatioValuation
0.3010/10

Growing faster than its price suggests

P/E RatioValuation
5.6x10/10

Attractively priced relative to earnings

Market CapQuality
$114.52B9/10

Large-cap with strong market position

Return on EquityProfitability
28.2%9/10

Every $100 of equity generates 28 in profit

Profit MarginProfitability
22.1%9/10

Keeps 22 of every $100 in revenue as profit

Price/BookValuation
3.0x8/10

Reasonable price relative to book value

VST1 strengths · Avg: 9.0/10
Market CapQuality
$51.70B9/10

Large-cap with strong market position

Areas to Watch

PBR-A2 concerns · Avg: 3.0/10
EPS GrowthGrowth
0.5%4/10

0.5% earnings growth

Altman Z-ScoreHealth
1.352/10

Distress zone — elevated risk

VST4 concerns · Avg: 3.0/10
Price/BookValuation
19.5x4/10

Trading at 19.5x 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
70.1x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : PBR-A

The strongest argument for PBR-A centers on PEG Ratio, P/E Ratio, Market Cap. Profitability is solid with margins at 22.1% and operating margin at 26.9%. PEG of 0.30 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 1.27 suggests the stock is reasonably priced for its growth.

Bear Case : PBR-A

The primary concerns for PBR-A are EPS Growth, Altman Z-Score.

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.1x 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.

PBR-A generates stronger free cash flow (3.2B), providing more financial flexibility.

Monitor OIL & GAS INTEGRATED industry trends, competitive dynamics, and regulatory changes.

Bottom Line

PBR-A scores higher overall (75/100 vs 53/100), backed by strong 22.1% margins. 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.

Petróleo Brasileiro S.A. - Petrobras

ENERGY · OIL & GAS INTEGRATED · USA

Petrleo Brasileiro SA - Petrobras produces and sells oil and gas in Brazil and internationally. The company is headquartered in Rio de Janeiro, Brazil.

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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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