PSX vs. VOO
PSX (Phillips 66) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, PSX returned 14.19%/yr vs 15.35%/yr for VOO. Their 0.43 correlation means their historical movements had little consistent relationship.
Performance
PSX vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, PSX achieves a 59.41% return, which is significantly higher than VOO's 13.52% return. Over the past 10 years, PSX has underperformed VOO with an annualized return of 14.19%, while VOO has yielded a comparatively higher 15.35% annualized return.
PSX
- 1D
- -1.62%
- 1M
- 14.22%
- 6M
- 32.97%
- YTD
- 59.41%
- 1Y
- 71.62%
- 3Y*
- 26.66%
- 5Y*
- 27.03%
- 10Y*
- 14.19%
- ALL TIME*
- 17.23%
VOO
- 1D
- -0.19%
- 1M
- 2.46%
- 6M
- 12.84%
- YTD
- 13.52%
- 1Y
- 24.01%
- 3Y*
- 21.49%
- 5Y*
- 13.30%
- 10Y*
- 15.35%
- ALL TIME*
- 14.99%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
PSX Phillips 66 | $526.90M | $526.67M | $476.66M |
| $4.29B | $3.83B | $5.49B |
PSX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSX Phillips 66 | 59.41% | 17.51% | -11.63% | 33.07% | 49.58% | 8.51% | -33.85% | 33.97% | -12.28% | 20.94% |
VOO Vanguard S&P 500 ETF | 13.52% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between PSX and VOO is -0.10, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.10 |
Correlation (3Y) Balances recent behavior with more history. | 0.17 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.25 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.37 |
Correlation (All Time) Calculated using the full available price history since May 1, 2012 | 0.43 |
The correlation between PSX and VOO shifts across timeframes, from -0.10 (1 year) to 0.43 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
PSX vs. VOO — Risk / Return Rank
PSX
VOO
PSX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Phillips 66 (PSX) and Vanguard S&P 500 ETF (VOO). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PSX | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.51 | ||
| Sortino ratioReturn per unit of downside risk | +0.51 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.34 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 4.17 | 2.71 | +1.46 |
| Martin ratioReturn relative to average drawdown | 12.71 | 11.57 | +1.14 |
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Drawdowns
PSX vs. VOO - Drawdown Comparison
The maximum PSX drawdown since its inception was -64.21%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for PSX and VOO.
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Drawdown Indicators
| PSX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.21% | -33.99% | -30.22% |
Max Drawdown (1Y)Largest decline over 1 year | -17.28% | -8.90% | -8.38% |
Max Drawdown (3Y)Largest decline over 3 years | -44.37% | -18.69% | -25.68% |
Max Drawdown (5Y)Largest decline over 5 years | -44.37% | -24.52% | -19.85% |
Max Drawdown (10Y)Largest decline over 10 years | -64.21% | -33.99% | -30.22% |
Current DrawdownCurrent decline from peak | -4.58% | -0.19% | -4.39% |
Average DrawdownAverage peak-to-trough decline | -14.63% | -3.67% | -10.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.66% | 2.08% | +3.58% |
Volatility
PSX vs. VOO - Volatility Comparison
Phillips 66 (PSX) has a higher volatility of 9.78% compared to Vanguard S&P 500 ETF (VOO) at 4.07%. This indicates that PSX's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PSX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.78% | 4.07% | +5.71% |
Volatility (6M)Calculated over the trailing 6-month period | 22.97% | 10.27% | +12.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.12% | 12.81% | +17.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.93% | 16.96% | +15.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.42% | 18.03% | +17.39% |
Dividends
PSX vs. VOO - Dividend Comparison
PSX's dividend yield for the trailing twelve months is around 2.44%, more than VOO's 1.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PSX Phillips 66 | 2.44% | 3.68% | 3.95% | 3.15% | 3.68% | 5.00% | 5.15% | 3.14% | 3.60% | 2.70% | 2.84% | 2.67% |
VOO Vanguard S&P 500 ETF | 1.04% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Frequently Asked Questions
PSX and VOO have a correlation of -0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PSX has higher volatility (9.78%) compared to VOO (4.07%). In terms of maximum drawdown, PSX dropped -64.21% vs VOO's -33.99%.
PSX currently has the higher Sharpe Ratio (2.39 vs 1.88), 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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