PSX vs VLO
As of Sep 20, 2026, Phillips 66 (PSX) scores 7.3/10 and Valero Energy (VLO) 6.2/10 on AlphaStocks' five-model composite, so PSX scores higher. PSX trades 56% above its model fair value; VLO trades 112% above its model fair value.
PSX
Phillips 66
7.3
Consider Buy
$273.21
VLO
VALERO ENERGY CORP/TX
6.2
Consider Buy
$413.02
PSX vs VLO: Which is the Better Investment?
Phillips 66 (PSX) scores 7.3/10 while VALERO ENERGY CORP/TX (VLO) scores 6.2/10 on AlphaStocks' composite model. Phillips 66 has the higher composite rating of Consider 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 | PSX | VLO |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.3/10▲ | 6.2/10 |
| Rating | Consider Buy▲ | Consider Buy |
| Price | $273.21 | $413.02 |
| P/E Ratio | 25.3▲ | 54.4 |
| ROE | 15.7%▲ | 9.9% |
| Market Cap | $110B | $123B |
| Fair Value | $174.75 | $195.25 |
| Dividend Yield | 2.5%▲ | 1.6% |
| Sector Rank | #7 of 80▲ | #14 of 80 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Attractive |
| Buffett | Limited Data | Neutral▲ |
| Graham | Caution | Neutral▲ |
| Lynch | Neutral | Attractive▲ |
| Greenblatt | Limited Data | Neutral▲ |
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PSX vs VLO: Which Stock Scores Higher?
Phillips 66 (PSX) and VALERO ENERGY CORP/TX (VLO) are both in the Energy sector. PSX currently leads with a composite score of 7.3/10 (Consider 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