WallStSmart

MPLX LP (MPLX)vsPetroleo Brasileiro Petrobras SA ADR (PBR)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petroleo Brasileiro Petrobras SA ADR generates 4144% more annual revenue ($498.09B vs $11.73B). MPLX leads profitability with a 40.0% profit margin vs 21.6%. MPLX appears more attractively valued with a PEG of 3.29. PBR earns a higher WallStSmart Score of 66/100 (B-).

MPLX

Buy

52

out of 100

Grade: C-

Growth: 2.7Profit: 9.0Value: 4.0Quality: 4.3
Piotroski: 3/9

PBR

Strong Buy

66

out of 100

Grade: B-

Growth: 2.7Profit: 8.5Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 2.08
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MPLXSignificantly Overvalued (-23.4%)

Margin of Safety

-23.4%

Fair Value

$45.78

Current Price

$56.32

$10.54 premium

UndervaluedFair: $45.78Overvalued
PBRUndervalued (+89.6%)

Margin of Safety

+89.6%

Fair Value

$176.60

Current Price

$17.75

$158.85 discount

UndervaluedFair: $176.60Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPLX5 strengths · Avg: 9.4/10
Return on EquityProfitability
33.4%10/10

Every $100 of equity generates 33 in profit

Profit MarginProfitability
40.0%10/10

Keeps 40 of every $100 in revenue as profit

Operating MarginProfitability
36.1%10/10

Strong operational efficiency at 36.1%

Market CapQuality
$56.50B9/10

Large-cap with strong market position

P/E RatioValuation
12.1x8/10

Attractively priced relative to earnings

PBR6 strengths · Avg: 9.5/10
P/E RatioValuation
5.8x10/10

Attractively priced relative to earnings

Price/BookValuation
1.4x10/10

Reasonable price relative to book value

Operating MarginProfitability
32.0%10/10

Strong operational efficiency at 32.0%

Market CapQuality
$117.55B9/10

Large-cap with strong market position

Return on EquityProfitability
23.9%9/10

Every $100 of equity generates 24 in profit

Profit MarginProfitability
21.6%9/10

Keeps 22 of every $100 in revenue as profit

Areas to Watch

MPLX4 concerns · Avg: 2.5/10
Debt/EquityHealth
1.863/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
3.292/10

Expensive relative to growth rate

Revenue GrowthGrowth
-2.8%2/10

Revenue declined 2.8%

PBR3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
0.4%4/10

0.4% revenue growth

PEG RatioValuation
4.572/10

Expensive relative to growth rate

EPS GrowthGrowth
-7.2%2/10

Earnings declined 7.2%

Comparative Analysis Report

WallStSmart Research

Bull Case : MPLX

The strongest argument for MPLX centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 40.0% and operating margin at 36.1%.

Bull Case : PBR

The strongest argument for PBR centers on P/E Ratio, Price/Book, Operating Margin. Profitability is solid with margins at 21.6% and operating margin at 32.0%.

Bear Case : MPLX

The primary concerns for MPLX are Debt/Equity, Piotroski F-Score, PEG Ratio. Debt-to-equity of 1.86 is elevated, increasing financial risk.

Bear Case : PBR

The primary concerns for PBR are Revenue Growth, PEG Ratio, EPS Growth.

Key Dynamics to Monitor

MPLX profiles as a declining stock while PBR is a value play — different risk/reward profiles.

MPLX carries more volatility with a beta of 0.48 — expect wider price swings.

PBR is growing revenue faster at 0.4% — sustainability is the question.

PBR generates stronger free cash flow (3.3B), providing more financial flexibility.

Bottom Line

PBR scores higher overall (66/100 vs 52/100), backed by strong 21.6% 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.

MPLX LP

ENERGY · OIL & GAS MIDSTREAM · USA

MPLX LP owns and operates energy infrastructure and midstream logistics assets primarily in the United States.

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Petroleo Brasileiro Petrobras SA ADR

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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