WallStSmart

Petróleo Brasileiro S.A. - Petrobras (PBR-A)vsSouthern Company (SO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petróleo Brasileiro S.A. - Petrobras generates 1584% more annual revenue ($497.55B vs $29.55B). PBR-A leads profitability with a 22.1% profit margin vs 14.7%. 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

SO

Buy

54

out of 100

Grade: C-

Growth: 6.0Profit: 6.0Value: 4.7Quality: 5.0
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
SOSignificantly Overvalued (-254.9%)

Margin of Safety

-254.9%

Fair Value

$26.66

Current Price

$94.61

$67.95 premium

UndervaluedFair: $26.66Overvalued

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

SO2 strengths · Avg: 8.5/10
Market CapQuality
$105.91B9/10

Large-cap with strong market position

Price/BookValuation
2.9x8/10

Reasonable price relative to book value

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

SO3 concerns · Avg: 2.0/10
PEG RatioValuation
2.672/10

Expensive relative to growth rate

EPS GrowthGrowth
-22.1%2/10

Earnings declined 22.1%

Free Cash FlowQuality
$-1.86B2/10

Negative free cash flow — burning cash

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 : SO

The strongest argument for SO centers on Market Cap, Price/Book. Revenue growth of 10.1% demonstrates continued momentum.

Bear Case : PBR-A

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

Bear Case : SO

The primary concerns for SO are PEG Ratio, EPS Growth, Free Cash Flow.

Key Dynamics to Monitor

SO carries more volatility with a beta of 0.41 — expect wider price swings.

SO is growing revenue faster at 10.1% — 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 54/100), 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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Southern Company

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.

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