WallStSmart

MPLX LP (MPLX)vsWilliams Companies Inc (WMB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Williams Companies Inc generates 2% more annual revenue ($12.11B vs $11.82B). MPLX leads profitability with a 41.6% profit margin vs 23.1%. WMB appears more attractively valued with a PEG of 2.48. WMB earns a higher WallStSmart Score of 65/100 (C+).

MPLX

Buy

60

out of 100

Grade: C

Growth: 5.3Profit: 9.0Value: 4.7Quality: 4.8
Piotroski: 2/9

WMB

Buy

65

out of 100

Grade: C+

Growth: 6.0Profit: 8.0Value: 4.3Quality: 3.3
Piotroski: 3/9Altman Z: 0.37
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MPLXOvervalued (-11.7%)

Margin of Safety

-11.7%

Fair Value

$49.89

Current Price

$54.00

$4.11 premium

UndervaluedFair: $49.89Overvalued

Intrinsic value data unavailable for WMB.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPLX5 strengths · Avg: 9.4/10
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
$57.10B9/10

Large-cap with strong market position

P/E RatioValuation
12.2x8/10

Attractively priced relative to earnings

WMB4 strengths · Avg: 9.0/10
Operating MarginProfitability
33.6%10/10

Strong operational efficiency at 33.6%

Market CapQuality
$89.22B9/10

Large-cap with strong market position

Profit MarginProfitability
23.1%9/10

Keeps 23 of every $100 in revenue as profit

EPS GrowthGrowth
25.0%8/10

Earnings expanding 25.0% YoY

Areas to Watch

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

Weak financial health signals

PEG RatioValuation
3.292/10

Expensive relative to growth rate

WMB4 concerns · Avg: 3.3/10
PEG RatioValuation
2.484/10

Expensive relative to growth rate

P/E RatioValuation
32.0x4/10

Premium valuation, high expectations priced in

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Altman Z-ScoreHealth
0.372/10

Distress zone — elevated risk

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 41.6% and operating margin at 42.9%.

Bull Case : WMB

The strongest argument for WMB centers on Operating Margin, Market Cap, Profit Margin. Profitability is solid with margins at 23.1% and operating margin at 33.6%.

Bear Case : MPLX

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

Bear Case : WMB

The primary concerns for WMB are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

WMB carries more volatility with a beta of 0.63 — expect wider price swings.

WMB is growing revenue faster at 9.0% — sustainability is the question.

MPLX generates stronger free cash flow (772M), providing more financial flexibility.

Monitor OIL & GAS MIDSTREAM industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WMB scores higher overall (65/100 vs 60/100), backed by strong 23.1% 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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Williams Companies Inc

ENERGY · OIL & GAS MIDSTREAM · USA

The Williams Companies, Inc., is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets.

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