MPC vs PSX
As of Sep 20, 2026, Marathon Petroleum (MPC) scores 7.7/10 and Phillips 66 (PSX) 7.3/10 on AlphaStocks' five-model composite, so MPC scores higher. MPC trades 70% above its model fair value; PSX trades 56% above its model fair value.
MPC
Marathon Petroleum Corp
7.7
Strong Buy
$424.59
PSX
Phillips 66
7.3
Consider Buy
$273.21
MPC vs PSX: Which is the Better Investment?
Marathon Petroleum Corp (MPC) scores 7.7/10 while Phillips 66 (PSX) scores 7.3/10 on AlphaStocks' composite model. Marathon Petroleum Corp has the higher composite rating of Strong Buy. On a P/E basis, Phillips 66 trades at 25.3x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | MPC | PSX |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.7/10▲ | 7.3/10 |
| Rating | Strong Buy▲ | Consider Buy |
| Price | $424.59 | $273.21 |
| P/E Ratio | 32.1 | 25.3▲ |
| ROE | 23.5%▲ | 15.7% |
| Market Cap | $125B | $110B |
| Fair Value | $250.30 | $174.75 |
| Dividend Yield | 1.3% | 2.5%▲ |
| Sector Rank | #4 of 80▲ | #7 of 80 |
| Model Verdicts | ||
| Piotroski | Strong | Strong |
| Buffett | Strong▲ | Limited Data |
| Graham | Caution | Caution |
| Lynch | Caution | Neutral▲ |
| Greenblatt | Neutral▲ | Limited Data |
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MPC vs PSX: Which Stock Scores Higher?
Marathon Petroleum Corp (MPC) and Phillips 66 (PSX) are both in the Energy sector. MPC currently leads with a composite score of 7.7/10 (Strong Buy) compared to PSX's 7.3/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer