PSX vs. VLO
PSX (Phillips 66) and VLO (Valero Energy Corporation) are both stocks. Both operate in the Oil & Gas Refining & Marketing industry within the Energy sector. Over the past 10 years, PSX returned 12.61%/yr vs 21.00%/yr for VLO. A 0.77 correlation means they provide meaningful diversification when combined.
Performance
PSX vs. VLO - Performance Comparison
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Returns By Period
In the year-to-date period, PSX achieves a 44.08% return, which is significantly lower than VLO's 58.86% return. Over the past 10 years, PSX has underperformed VLO with an annualized return of 12.61%, while VLO has yielded a comparatively higher 21.00% annualized return.
PSX
- 1D
- -0.58%
- 1M
- 7.49%
- YTD
- 44.08%
- 6M
- 33.41%
- 1Y
- 65.68%
- 3Y*
- 27.98%
- 5Y*
- 19.31%
- 10Y*
- 12.61%
VLO
- 1D
- -1.17%
- 1M
- 6.63%
- YTD
- 58.86%
- 6M
- 48.51%
- 1Y
- 104.41%
- 3Y*
- 36.67%
- 5Y*
- 29.38%
- 10Y*
- 21.00%
PSX vs. VLO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSX Phillips 66 | 44.08% | 17.51% | -11.63% | 33.07% | 49.58% | 8.51% | -33.85% | 33.97% | -12.28% | 20.94% |
VLO Valero Energy Corporation | 58.86% | 36.97% | -2.96% | 5.86% | 74.95% | 40.25% | -35.69% | 30.27% | -15.73% | 38.66% |
Correlation
The correlation between PSX and VLO is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.81 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.81 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.82 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.79 |
Correlation (All Time) Calculated using the full available price history since May 2, 2012 | 0.77 |
The correlation between PSX and VLO has been stable across timeframes, ranging from 0.77 to 0.82 - a consistent structural relationship.
Fundamentals
PSX:
$73.83B
VLO:
$76.23B
PSX:
$10.17
VLO:
$13.77
PSX:
18.00
VLO:
18.58
PSX:
0.10
VLO:
0.07
PSX:
0.55
VLO:
0.62
PSX:
2.59
VLO:
2.83
PSX:
$134.70B
VLO:
$126.17B
PSX:
$5.94B
VLO:
$12.45B
PSX:
$9.17B
VLO:
$9.02B
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Return for Risk
PSX vs. VLO — Risk / Return Rank
PSX
VLO
PSX vs. VLO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Phillips 66 (PSX) and Valero Energy Corporation (VLO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| PSX | VLO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.74 | ||
| Sortino ratioReturn per unit of downside risk | -0.60 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.46 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 4.00 | 7.57 | -3.57 |
| Martin ratioReturn relative to average drawdown | 11.57 | 18.85 | -7.28 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PSX | VLO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.34 | 3.08 | -0.74 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.58 | 0.80 | -0.22 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.36 | 0.52 | -0.16 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.28 | +0.23 |
Drawdowns
PSX vs. VLO - Drawdown Comparison
The maximum PSX drawdown since its inception was -64.21%, smaller than the maximum VLO drawdown of -87.50%. Use the drawdown chart below to compare losses from any high point for PSX and VLO.
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Drawdown Indicators
| PSX | VLO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.21% | -87.50% | +23.29% |
Max Drawdown (1Y)Largest decline over 1 year | -17.28% | -14.19% | -3.09% |
Max Drawdown (3Y)Largest decline over 3 years | -44.37% | -41.22% | -3.15% |
Max Drawdown (5Y)Largest decline over 5 years | -44.37% | -41.22% | -3.15% |
Max Drawdown (10Y)Largest decline over 10 years | -64.21% | -71.88% | +7.67% |
Current DrawdownCurrent decline from peak | -2.06% | -2.15% | +0.09% |
Average DrawdownAverage peak-to-trough decline | -14.74% | -34.27% | +19.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.96% | 5.69% | +0.27% |
Volatility
PSX vs. VLO - Volatility Comparison
The current volatility for Phillips 66 (PSX) is 8.15%, while Valero Energy Corporation (VLO) has a volatility of 9.98%. This indicates that PSX experiences smaller price fluctuations and is considered to be less risky than VLO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PSX | VLO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.15% | 9.98% | -1.83% |
Volatility (6M)Calculated over the trailing 6-month period | 23.59% | 27.33% | -3.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.47% | 34.83% | -5.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.19% | 36.91% | -3.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.31% | 40.39% | -5.08% |
Dividends
PSX vs. VLO - Dividend Comparison
PSX's dividend yield for the trailing twelve months is around 2.70%, more than VLO's 1.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PSX Phillips 66 | 2.70% | 3.68% | 3.95% | 3.15% | 3.68% | 5.00% | 5.15% | 3.14% | 3.60% | 2.70% | 2.84% | 2.67% |
VLO Valero Energy Corporation | 1.82% | 2.78% | 3.49% | 3.14% | 3.09% | 5.22% | 6.93% | 3.84% | 4.27% | 2.34% | 3.51% | 2.40% |
Financials
PSX vs. VLO - Financials Comparison
This section allows you to compare key financial metrics between Phillips 66 and Valero Energy Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
PSX vs. VLO - Profitability Comparison
PSX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a gross profit of 0.00 and revenue of 33.00B. Therefore, the gross margin over that period was 0.0%.
VLO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Valero Energy Corporation reported a gross profit of 6.20B and revenue of 32.38B. Therefore, the gross margin over that period was 19.1%.
PSX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported an operating income of 0.00 and revenue of 33.00B, resulting in an operating margin of 0.0%.
VLO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Valero Energy Corporation reported an operating income of 1.73B and revenue of 32.38B, resulting in an operating margin of 5.4%.
PSX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a net income of 207.00M and revenue of 33.00B, resulting in a net margin of 0.6%.
VLO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Valero Energy Corporation reported a net income of 1.26B and revenue of 32.38B, resulting in a net margin of 3.9%.
Frequently Asked Questions
PSX and VLO have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VLO has higher volatility (9.98%) compared to PSX (8.15%). In terms of maximum drawdown, PSX dropped -64.21% vs VLO's -87.50%.
VLO currently has the higher Sharpe Ratio (3.08 vs 2.34), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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