WallStSmart

NRG Energy Inc. (NRG)vsPetróleo Brasileiro S.A. - Petrobras (PBR-A)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petróleo Brasileiro S.A. - Petrobras generates 1520% more annual revenue ($497.55B vs $30.71B). PBR-A leads profitability with a 22.1% profit margin vs 2.8%. PBR-A appears more attractively valued with a PEG of 0.30. PBR-A earns a higher WallStSmart Score of 75/100 (B).

NRG

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 7.3Quality: 5.3
Piotroski: 5/9Altman Z: 1.70

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
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NRGSignificantly Overvalued (-490.6%)

Margin of Safety

-490.6%

Fair Value

$27.20

Current Price

$151.04

$123.84 premium

UndervaluedFair: $27.20Overvalued
PBR-AUndervalued (+37.8%)

Margin of Safety

+37.8%

Fair Value

$23.71

Current Price

$18.13

$5.58 discount

UndervaluedFair: $23.71Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NRG1 strengths · Avg: 10.0/10
Return on EquityProfitability
41.5%10/10

Every $100 of equity generates 42 in profit

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

Areas to Watch

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
37.8x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.704/10

Distress zone — elevated risk

Profit MarginProfitability
2.8%3/10

2.8% margin — thin

Operating MarginProfitability
4.3%3/10

Operating margin of 4.3%

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

Comparative Analysis Report

WallStSmart Research

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.29 suggests the stock is reasonably priced for its growth.

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.

Bear Case : NRG

The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Thin 2.8% margins leave little buffer for downturns.

Bear Case : PBR-A

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

Key Dynamics to Monitor

NRG carries more volatility with a beta of 1.26 — expect wider price swings.

NRG is growing revenue faster at 13.7% — sustainability is the question.

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

Monitor UTILITIES - INDEPENDENT POWER PRODUCERS 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.

NRG Energy Inc.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.

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.

Visit Website →

Want to dig deeper into these stocks?