PH vs. VOO
PH (Parker-Hannifin Corporation) 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, PH returned 27.63%/yr vs 15.82%/yr for VOO. A 0.69 correlation means they provide meaningful diversification when combined.
Performance
PH vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, PH achieves a 13.09% return, which is significantly higher than VOO's 8.09% return. Over the past 10 years, PH has outperformed VOO with an annualized return of 27.63%, while VOO has yielded a comparatively lower 15.82% annualized return.
PH
- 1D
- 3.00%
- 1M
- 14.04%
- YTD
- 13.09%
- 6M
- 11.97%
- 1Y
- 48.26%
- 3Y*
- 39.63%
- 5Y*
- 28.47%
- 10Y*
- 27.63%
VOO
- 1D
- 0.00%
- 1M
- -2.07%
- YTD
- 8.09%
- 6M
- 6.78%
- 1Y
- 22.17%
- 3Y*
- 20.91%
- 5Y*
- 13.02%
- 10Y*
- 15.82%
PH vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PH Parker-Hannifin Corporation | 13.09% | 39.54% | 39.58% | 60.81% | -6.91% | 18.30% | 34.78% | 40.75% | -24.00% | 44.91% |
VOO Vanguard S&P 500 ETF | 8.09% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between PH and VOO is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.60 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.66 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.66 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.69 |
Over the past year, the correlation between PH and VOO has dropped to 0.44 - well below their long-term average of 0.69, suggesting their price drivers have been diverging.
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Return for Risk
PH vs. VOO — Risk / Return Rank
PH
VOO
PH vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Parker-Hannifin Corporation (PH) 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.
| PH | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.12 | ||
| Sortino ratioReturn per unit of downside risk | +0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.33 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.51 | 2.50 | +0.01 |
| Martin ratioReturn relative to average drawdown | 7.30 | 11.08 | -3.78 |
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Drawdowns
PH vs. VOO - Drawdown Comparison
The maximum PH drawdown since its inception was -66.92%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for PH and VOO.
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Drawdown Indicators
| PH | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.92% | -33.99% | -32.93% |
Max Drawdown (1Y)Largest decline over 1 year | -19.34% | -8.90% | -10.44% |
Max Drawdown (3Y)Largest decline over 3 years | -26.79% | -18.69% | -8.10% |
Max Drawdown (5Y)Largest decline over 5 years | -28.64% | -24.52% | -4.12% |
Max Drawdown (10Y)Largest decline over 10 years | -54.68% | -33.99% | -20.69% |
Current DrawdownCurrent decline from peak | -3.02% | -3.23% | +0.21% |
Average DrawdownAverage peak-to-trough decline | -15.32% | -3.68% | -11.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.63% | 2.01% | +4.62% |
Volatility
PH vs. VOO - Volatility Comparison
Parker-Hannifin Corporation (PH) has a higher volatility of 8.15% compared to Vanguard S&P 500 ETF (VOO) at 4.75%. This indicates that PH'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
| PH | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.15% | 4.75% | +3.40% |
Volatility (6M)Calculated over the trailing 6-month period | 19.29% | 9.77% | +9.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.24% | 12.39% | +12.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.66% | 16.91% | +11.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.66% | 18.02% | +13.64% |
Dividends
PH vs. VOO - Dividend Comparison
PH's dividend yield for the trailing twelve months is around 0.75%, less than VOO's 1.05% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PH Parker-Hannifin Corporation | 0.75% | 0.80% | 1.00% | 1.25% | 1.73% | 1.25% | 1.29% | 1.65% | 1.97% | 1.32% | 1.80% | 2.60% |
VOO Vanguard S&P 500 ETF | 1.05% | 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
PH and VOO have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PH has higher volatility (8.15%) compared to VOO (4.75%). In terms of maximum drawdown, PH dropped -66.92% vs VOO's -33.99%.
PH currently has the higher Sharpe Ratio (1.92 vs 1.80), 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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