WallStSmart

MPLX LP (MPLX)vsExxon Mobil Corp (XOM)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Exxon Mobil Corp generates 2641% more annual revenue ($323.90B vs $11.82B). MPLX leads profitability with a 41.6% profit margin vs 8.9%. XOM appears more attractively valued with a PEG of 1.38. MPLX earns a higher WallStSmart Score of 60/100 (C).

MPLX

Buy

60

out of 100

Grade: C

Growth: 5.3Profit: 9.0Value: 5.3Quality: 4.8
Piotroski: 2/9

XOM

Buy

50

out of 100

Grade: C-

Growth: 2.0Profit: 6.0Value: 4.7Quality: 6.5
Piotroski: 1/9Altman Z: 3.44
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MPLXOvervalued (-11.7%)

Margin of Safety

-11.7%

Fair Value

$49.85

Current Price

$55.52

$5.67 premium

UndervaluedFair: $49.85Overvalued
XOMSignificantly Overvalued (-46.3%)

Margin of Safety

-46.3%

Fair Value

$105.46

Current Price

$154.67

$49.21 premium

UndervaluedFair: $105.46Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPLX5 strengths · Avg: 9.8/10
P/E RatioValuation
11.5x10/10

Attractively priced relative to earnings

Return on EquityProfitability
34.7%10/10

Every $100 of equity generates 35 in profit

Profit MarginProfitability
41.6%10/10

Keeps 42 of every $100 in revenue as profit

Operating MarginProfitability
42.9%10/10

Strong operational efficiency at 42.9%

Market CapQuality
$56.36B9/10

Large-cap with strong market position

XOM5 strengths · Avg: 9.0/10
Market CapQuality
$642.90B10/10

Mega-cap, among the largest globally

Altman Z-ScoreHealth
3.4410/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.279/10

Conservative balance sheet, low leverage

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

Free Cash FlowQuality
$5.23B8/10

Generating 5.2B in free cash flow

Areas to Watch

MPLX2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
3.192/10

Expensive relative to growth rate

XOM3 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

Revenue GrowthGrowth
-1.3%2/10

Revenue declined 1.3%

EPS GrowthGrowth
-11.0%2/10

Earnings declined 11.0%

Comparative Analysis Report

WallStSmart Research

Bull Case : MPLX

The strongest argument for MPLX centers on P/E Ratio, Return on Equity, Profit Margin. Profitability is solid with margins at 41.6% and operating margin at 42.9%.

Bull Case : XOM

The strongest argument for XOM centers on Market Cap, Altman Z-Score, Debt/Equity. PEG of 1.38 suggests the stock is reasonably priced for its growth.

Bear Case : MPLX

The primary concerns for MPLX are Piotroski F-Score, PEG Ratio.

Bear Case : XOM

The primary concerns for XOM are Piotroski F-Score, Revenue Growth, EPS Growth.

Key Dynamics to Monitor

MPLX profiles as a mature stock while XOM is a value play — different risk/reward profiles.

MPLX carries more volatility with a beta of 0.54 — expect wider price swings.

MPLX is growing revenue faster at 7.1% — sustainability is the question.

XOM generates stronger free cash flow (5.2B), providing more financial flexibility.

Bottom Line

MPLX scores higher overall (60/100 vs 50/100), backed by strong 41.6% margins. 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.

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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Exxon Mobil Corp

ENERGY · OIL & GAS INTEGRATED · USA

Exxon Mobil Corporation, stylized as ExxonMobil, is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, 1999 by the merger of Exxon (formerly the Standard Oil Company of New Jersey) and Mobil (formerly the Standard Oil Company of New York). ExxonMobil's primary brands are Exxon, Mobil, Esso, and ExxonMobil Chemical. ExxonMobil is incorporated in New Jersey.

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