MPC vs VLO
As of Sep 20, 2026, Marathon Petroleum (MPC) scores 7.7/10 and Valero Energy (VLO) 6.2/10 on AlphaStocks' five-model composite, so MPC scores higher. MPC trades 70% above its model fair value; VLO trades 112% above its model fair value.
MPC
Marathon Petroleum Corp
7.7
Strong Buy
$424.59
VLO
VALERO ENERGY CORP/TX
6.2
Consider Buy
$413.02
MPC vs VLO: Which is the Better Investment?
Marathon Petroleum Corp (MPC) scores 7.7/10 while VALERO ENERGY CORP/TX (VLO) scores 6.2/10 on AlphaStocks' composite model. Marathon Petroleum Corp has the higher composite rating of Strong Buy. On a P/E basis, Marathon Petroleum Corp trades at 32.1x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | MPC | VLO |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.7/10▲ | 6.2/10 |
| Rating | Strong Buy▲ | Consider Buy |
| Price | $424.59 | $413.02 |
| P/E Ratio | 32.1▲ | 54.4 |
| ROE | 23.5%▲ | 9.9% |
| Market Cap | $125B | $123B |
| Fair Value | $250.30 | $195.25 |
| Dividend Yield | 1.3% | 1.6%▲ |
| Sector Rank | #4 of 80▲ | #14 of 80 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Attractive |
| Buffett | Strong▲ | Neutral |
| Graham | Caution | Neutral▲ |
| Lynch | Caution | Attractive▲ |
| Greenblatt | Neutral | Neutral |
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MPC vs VLO: Which Stock Scores Higher?
Marathon Petroleum Corp (MPC) and VALERO ENERGY CORP/TX (VLO) are both in the Energy sector. MPC currently leads with a composite score of 7.7/10 (Strong Buy) compared to VLO's 6.2/10 (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