PH vs. DLB
PH (Parker-Hannifin Corporation) and DLB (Dolby Laboratories, Inc.) are both stocks. PH operates in Specialty Industrial Machinery (Industrials), while DLB operates in Information Technology Services (Technology). Over the past 10 years, PH returned 25.12%/yr vs 2.40%/yr for DLB. At a 0.44 correlation, their price movements are largely independent.
Performance
PH vs. DLB - Performance Comparison
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Returns By Period
In the year-to-date period, PH achieves a 3.21% return, which is significantly higher than DLB's -17.26% return. Over the past 10 years, PH has outperformed DLB with an annualized return of 25.12%, while DLB has yielded a comparatively lower 2.40% annualized return.
PH
- 1D
- 0.12%
- 1M
- 2.39%
- YTD
- 3.21%
- 6M
- 2.52%
- 1Y
- 36.66%
- 3Y*
- 36.33%
- 5Y*
- 26.12%
- 10Y*
- 25.12%
DLB
- 1D
- -0.40%
- 1M
- -3.24%
- YTD
- -17.26%
- 6M
- -21.32%
- 1Y
- -28.66%
- 3Y*
- -13.16%
- 5Y*
- -10.74%
- 10Y*
- 2.40%
PH vs. DLB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PH Parker-Hannifin Corporation | 3.21% | 39.54% | 39.58% | 60.81% | -6.91% | 18.30% | 34.78% | 40.75% | -24.00% | 44.91% |
DLB Dolby Laboratories, Inc. | -17.26% | -16.27% | -7.95% | 23.82% | -24.90% | -0.99% | 42.99% | 12.63% | 0.78% | 38.73% |
Correlation
The correlation between PH and DLB is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.23 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.44 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.46 |
Correlation (All Time) Calculated using the full available price history since Feb 17, 2005 | 0.44 |
Over the past year, the correlation between PH and DLB has dropped to 0.23 - well below their long-term average of 0.44, suggesting their price drivers have been diverging.
Fundamentals
PH:
$115.65B
DLB:
$5.02B
PH:
$27.11
DLB:
$2.53
PH:
33.33
DLB:
20.79
PH:
1.41
DLB:
30.68
PH:
5.53
DLB:
3.71
PH:
7.43
DLB:
1.92
PH:
$20.99B
DLB:
$1.36B
PH:
$7.81B
DLB:
$1.19B
PH:
$5.31B
DLB:
$347.35M
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Return for Risk
PH vs. DLB — Risk / Return Rank
PH
DLB
PH vs. DLB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Parker-Hannifin Corporation (PH) and Dolby Laboratories, Inc. (DLB). 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 | DLB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.61 | ||
| Sortino ratioReturn per unit of downside risk | +3.68 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 0.80 | +0.46 |
| Calmar ratioReturn relative to maximum drawdown | 1.90 | -0.96 | +2.86 |
| Martin ratioReturn relative to average drawdown | 5.64 | -1.93 | +7.58 |
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Drawdowns
PH vs. DLB - Drawdown Comparison
The maximum PH drawdown since its inception was -66.92%, which is greater than DLB's maximum drawdown of -62.19%. Use the drawdown chart below to compare losses from any high point for PH and DLB.
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Drawdown Indicators
| PH | DLB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.92% | -62.19% | -4.73% |
Max Drawdown (1Y)Largest decline over 1 year | -19.34% | -30.11% | +10.77% |
Max Drawdown (3Y)Largest decline over 3 years | -26.79% | -38.92% | +12.13% |
Max Drawdown (5Y)Largest decline over 5 years | -28.64% | -44.41% | +15.77% |
Max Drawdown (10Y)Largest decline over 10 years | -54.68% | -45.04% | -9.64% |
Current DrawdownCurrent decline from peak | -11.49% | -45.04% | +33.55% |
Average DrawdownAverage peak-to-trough decline | -15.33% | -22.37% | +7.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.52% | 14.84% | -8.32% |
Volatility
PH vs. DLB - Volatility Comparison
Parker-Hannifin Corporation (PH) has a higher volatility of 7.58% compared to Dolby Laboratories, Inc. (DLB) at 6.02%. This indicates that PH's price experiences larger fluctuations and is considered to be riskier than DLB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PH | DLB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.58% | 6.02% | +1.56% |
Volatility (6M)Calculated over the trailing 6-month period | 18.96% | 20.37% | -1.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.10% | 25.14% | -0.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.68% | 25.03% | +3.65% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.70% | 26.61% | +5.09% |
Dividends
PH vs. DLB - Dividend Comparison
PH's dividend yield for the trailing twelve months is around 0.82%, less than DLB's 2.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DLB Dolby Laboratories, Inc. | 2.68% | 2.10% | 1.57% | 1.29% | 1.45% | 0.96% | 0.91% | 1.15% | 1.08% | 0.94% | 1.11% | 1.25% |
PH Parker-Hannifin Corporation | 0.82% | 0.80% | 1.00% | 1.25% | 1.73% | 1.25% | 1.29% | 1.65% | 1.97% | 1.32% | 1.80% | 2.60% |
Financials
PH vs. DLB - Financials Comparison
This section allows you to compare key financial metrics between Parker-Hannifin Corporation and Dolby Laboratories, Inc.. 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
PH vs. DLB - Profitability Comparison
PH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Parker-Hannifin Corporation reported a gross profit of 2.02B and revenue of 5.49B. Therefore, the gross margin over that period was 36.8%.
DLB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Dolby Laboratories, Inc. reported a gross profit of 350.90M and revenue of 395.63M. Therefore, the gross margin over that period was 88.7%.
PH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Parker-Hannifin Corporation reported an operating income of 1.13B and revenue of 5.49B, resulting in an operating margin of 20.7%.
DLB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Dolby Laboratories, Inc. reported an operating income of 112.95M and revenue of 395.63M, resulting in an operating margin of 28.6%.
PH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Parker-Hannifin Corporation reported a net income of 904.00M and revenue of 5.49B, resulting in a net margin of 16.5%.
DLB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Dolby Laboratories, Inc. reported a net income of 94.92M and revenue of 395.63M, resulting in a net margin of 24.0%.
Frequently Asked Questions
PH and DLB have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PH has higher volatility (7.58%) compared to DLB (6.02%). In terms of maximum drawdown, PH dropped -66.92% vs DLB's -62.19%.
PH currently has the higher Sharpe Ratio (1.47 vs -1.14), 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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