WallStSmart

Marathon Petroleum Corp (MPC)vsStar Gas Partners LP (SGU)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Marathon Petroleum Corp generates 7212% more annual revenue ($135.95B vs $1.86B). SGU leads profitability with a 5.3% profit margin vs 3.4%. SGU trades at a lower P/E of 4.8x. MPC earns a higher WallStSmart Score of 69/100 (B-).

MPC

Strong Buy

69

out of 100

Grade: B-

Growth: 6.0Profit: 6.0Value: 6.0Quality: 5.0
Piotroski: 5/9Altman Z: 2.83

SGU

Strong Buy

66

out of 100

Grade: B-

Growth: 5.3Profit: 7.0Value: 5.7Quality: 5.3
Piotroski: 6/9
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MPCSignificantly Overvalued (-27.4%)

Margin of Safety

-27.4%

Fair Value

$163.70

Current Price

$246.51

$82.81 premium

UndervaluedFair: $163.70Overvalued
SGUSignificantly Overvalued (-67.4%)

Margin of Safety

-67.4%

Fair Value

$7.67

Current Price

$12.61

$4.94 premium

UndervaluedFair: $7.67Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPC5 strengths · Avg: 8.8/10
EPS GrowthGrowth
350.7%10/10

Earnings expanding 350.7% YoY

Market CapQuality
$73.24B9/10

Large-cap with strong market position

Return on EquityProfitability
27.6%9/10

Every $100 of equity generates 28 in profit

PEG RatioValuation
0.978/10

Growing faster than its price suggests

P/E RatioValuation
16.5x8/10

Attractively priced relative to earnings

SGU5 strengths · Avg: 9.0/10
P/E RatioValuation
4.8x10/10

Attractively priced relative to earnings

Price/BookValuation
1.0x10/10

Reasonable price relative to book value

Return on EquityProfitability
24.4%9/10

Every $100 of equity generates 24 in profit

Operating MarginProfitability
20.3%8/10

Strong operational efficiency at 20.3%

EPS GrowthGrowth
32.1%8/10

Earnings expanding 32.1% YoY

Areas to Watch

MPC3 concerns · Avg: 2.3/10
Profit MarginProfitability
3.4%3/10

3.4% margin — thin

Operating MarginProfitability
3.6%3/10

Operating margin of 3.6%

Debt/EquityHealth
2.051/10

Elevated debt levels

SGU4 concerns · Avg: 3.0/10
Revenue GrowthGrowth
3.2%4/10

3.2% revenue growth

Market CapQuality
$405.50M3/10

Smaller company, higher risk/reward

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Free Cash FlowQuality
$-9.06M2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : MPC

The strongest argument for MPC centers on EPS Growth, Market Cap, Return on Equity. PEG of 0.97 suggests the stock is reasonably priced for its growth.

Bull Case : SGU

The strongest argument for SGU centers on P/E Ratio, Price/Book, Return on Equity.

Bear Case : MPC

The primary concerns for MPC are Profit Margin, Operating Margin, Debt/Equity. Debt-to-equity of 2.05 is elevated, increasing financial risk. Thin 3.4% margins leave little buffer for downturns.

Bear Case : SGU

The primary concerns for SGU are Revenue Growth, Market Cap, Profit Margin.

Key Dynamics to Monitor

MPC carries more volatility with a beta of 0.52 — expect wider price swings.

MPC is growing revenue faster at 8.8% — sustainability is the question.

MPC generates stronger free cash flow (208M), providing more financial flexibility.

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

Bottom Line

MPC scores higher overall (69/100 vs 66/100). Both earn "Strong Buy" and "Strong 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.

Marathon Petroleum Corp

ENERGY · OIL & GAS REFINING & MARKETING · USA

Marathon Petroleum Corporation is an American petroleum refining, marketing, and transportation company headquartered in Findlay, Ohio.

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Star Gas Partners LP

ENERGY · OIL & GAS REFINING & MARKETING · USA

Star Group, LP sells home heating and air conditioning products and services to residential and commercial heating oil and propane customers in the United States. The company is headquartered in Stamford, Connecticut.

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