WallStSmart

MPLX LP (MPLX)vsExxon Mobil Corp (XOM)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Exxon Mobil Corp generates 2900% more annual revenue ($361.06B vs $12.03B). MPLX leads profitability with a 39.3% profit margin vs 9.1%. XOM appears more attractively valued with a PEG of 1.42. XOM earns a higher WallStSmart Score of 74/100 (B).

MPLX

Buy

60

out of 100

Grade: C

Growth: 4.7Profit: 9.0Value: 4.0Quality: 3.8
Piotroski: 3/9

XOM

Strong Buy

74

out of 100

Grade: B

Growth: 7.3Profit: 6.5Value: 4.7Quality: 6.5
Piotroski: 1/9Altman Z: 3.44
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MPLXSignificantly Overvalued (-24.5%)

Margin of Safety

-24.5%

Fair Value

$47.07

Current Price

$59.16

$12.09 premium

UndervaluedFair: $47.07Overvalued
XOMSignificantly Overvalued (-74.9%)

Margin of Safety

-74.9%

Fair Value

$93.36

Current Price

$158.69

$65.33 premium

UndervaluedFair: $93.36Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPLX5 strengths · Avg: 9.4/10
Return on EquityProfitability
33.8%10/10

Every $100 of equity generates 34 in profit

Profit MarginProfitability
39.3%10/10

Keeps 39 of every $100 in revenue as profit

Operating MarginProfitability
38.3%10/10

Strong operational efficiency at 38.3%

Market CapQuality
$60.51B9/10

Large-cap with strong market position

P/E RatioValuation
13.0x8/10

Attractively priced relative to earnings

XOM6 strengths · Avg: 9.8/10
Market CapQuality
$682.54B10/10

Mega-cap, among the largest globally

Revenue GrowthGrowth
44.1%10/10

Revenue surging 44.1% year-over-year

EPS GrowthGrowth
112.8%10/10

Earnings expanding 112.8% YoY

Free Cash FlowQuality
$17.03B10/10

Generating 17.0B in free cash flow

Altman Z-ScoreHealth
3.4410/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.169/10

Conservative balance sheet, low leverage

Areas to Watch

MPLX4 concerns · Avg: 3.0/10
EPS GrowthGrowth
3.2%4/10

3.2% earnings growth

Debt/EquityHealth
1.853/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
3.092/10

Expensive relative to growth rate

XOM1 concerns · Avg: 3.0/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

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 39.3% and operating margin at 38.3%. Revenue growth of 10.6% demonstrates continued momentum.

Bull Case : XOM

The strongest argument for XOM centers on Market Cap, Revenue Growth, EPS Growth. Revenue growth of 44.1% demonstrates continued momentum. PEG of 1.42 suggests the stock is reasonably priced for its growth.

Bear Case : MPLX

The primary concerns for MPLX are EPS Growth, Debt/Equity, Piotroski F-Score. Debt-to-equity of 1.85 is elevated, increasing financial risk.

Bear Case : XOM

The primary concerns for XOM are Piotroski F-Score.

Key Dynamics to Monitor

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

MPLX carries more volatility with a beta of 0.46 — expect wider price swings.

XOM is growing revenue faster at 44.1% — sustainability is the question.

XOM generates stronger free cash flow (17.0B), providing more financial flexibility.

Bottom Line

XOM scores higher overall (74/100 vs 60/100) and 44.1% revenue growth. 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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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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