FSS vs. PH
FSS (Federal Signal Corporation) and PH (Parker-Hannifin Corporation) are both stocks. Both are in the Industrials sector — FSS in Pollution & Treatment Controls, PH in Specialty Industrial Machinery. Over the past 10 years, FSS returned 26.19%/yr vs 26.60%/yr for PH. At a 0.41 correlation, their price movements are largely independent.
Performance
FSS vs. PH - Performance Comparison
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Returns By Period
In the year-to-date period, FSS achieves a 8.44% return, which is significantly lower than PH's 9.92% return. Both investments have delivered pretty close results over the past 10 years, with FSS having a 26.19% annualized return and PH not far ahead at 26.60%.
FSS
- 1D
- -0.91%
- 1M
- 4.29%
- YTD
- 8.44%
- 6M
- 4.00%
- 1Y
- 16.83%
- 3Y*
- 24.44%
- 5Y*
- 24.98%
- 10Y*
- 26.19%
PH
- 1D
- 0.93%
- 1M
- 10.98%
- YTD
- 9.92%
- 6M
- 8.98%
- 1Y
- 48.68%
- 3Y*
- 38.98%
- 5Y*
- 28.29%
- 10Y*
- 26.60%
FSS vs. PH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSS Federal Signal Corporation | 8.44% | 18.21% | 21.05% | 66.26% | 8.22% | 31.80% | 3.99% | 63.92% | 0.39% | 30.79% |
PH Parker-Hannifin Corporation | 9.92% | 39.54% | 39.58% | 60.81% | -6.91% | 18.30% | 34.78% | 40.75% | -24.00% | 44.91% |
Correlation
The correlation between FSS and PH is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.57 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.61 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.62 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.61 |
Correlation (All Time) Calculated using the full available price history since Jul 1, 1985 | 0.41 |
The correlation between FSS and PH shifts across timeframes, from 0.41 (all time) to 0.62 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
FSS:
$7.22B
PH:
$123.15B
FSS:
$4.41
PH:
$27.11
FSS:
26.65
PH:
35.49
FSS:
1.04
PH:
1.50
FSS:
3.08
PH:
5.89
FSS:
5.03
PH:
7.91
FSS:
$2.34B
PH:
$20.99B
FSS:
$670.20M
PH:
$7.81B
FSS:
$435.10M
PH:
$5.31B
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Return for Risk
FSS vs. PH — Risk / Return Rank
FSS
PH
FSS vs. PH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Federal Signal Corporation (FSS) and Parker-Hannifin Corporation (PH). 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.
| FSS | PH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.48 | ||
| Sortino ratioReturn per unit of downside risk | -1.74 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.34 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | 0.89 | 2.53 | -1.64 |
| Martin ratioReturn relative to average drawdown | 1.54 | 7.40 | -5.86 |
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Drawdowns
FSS vs. PH - Drawdown Comparison
The maximum FSS drawdown since its inception was -83.43%, which is greater than PH's maximum drawdown of -66.92%. Use the drawdown chart below to compare losses from any high point for FSS and PH.
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Drawdown Indicators
| FSS | PH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.43% | -66.92% | -16.51% |
Max Drawdown (1Y)Largest decline over 1 year | -19.04% | -19.34% | +0.30% |
Max Drawdown (3Y)Largest decline over 3 years | -31.54% | -26.79% | -4.75% |
Max Drawdown (5Y)Largest decline over 5 years | -32.96% | -28.64% | -4.32% |
Max Drawdown (10Y)Largest decline over 10 years | -32.96% | -54.68% | +21.72% |
Current DrawdownCurrent decline from peak | -9.13% | -5.74% | -3.39% |
Average DrawdownAverage peak-to-trough decline | -22.56% | -15.32% | -7.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.96% | 6.60% | +4.36% |
Volatility
FSS vs. PH - Volatility Comparison
Federal Signal Corporation (FSS) has a higher volatility of 9.95% compared to Parker-Hannifin Corporation (PH) at 7.45%. This indicates that FSS's price experiences larger fluctuations and is considered to be riskier than PH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSS | PH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.95% | 7.45% | +2.50% |
Volatility (6M)Calculated over the trailing 6-month period | 23.76% | 19.01% | +4.75% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.67% | 25.13% | +10.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.75% | 28.64% | +2.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.67% | 31.73% | -0.06% |
Dividends
FSS vs. PH - Dividend Comparison
FSS's dividend yield for the trailing twelve months is around 0.49%, less than PH's 0.77% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSS Federal Signal Corporation | 0.49% | 0.52% | 0.52% | 0.51% | 0.77% | 0.83% | 0.96% | 0.99% | 1.56% | 1.39% | 1.79% | 1.58% |
PH Parker-Hannifin Corporation | 0.77% | 0.80% | 1.00% | 1.25% | 1.73% | 1.25% | 1.29% | 1.65% | 1.97% | 1.32% | 1.80% | 2.60% |
Financials
FSS vs. PH - Financials Comparison
This section allows you to compare key financial metrics between Federal Signal Corporation and Parker-Hannifin 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
FSS vs. PH - Profitability Comparison
FSS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported a gross profit of 179.40M and revenue of 625.60M. Therefore, the gross margin over that period was 28.7%.
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%.
FSS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported an operating income of 99.70M and revenue of 625.60M, resulting in an operating margin of 15.9%.
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%.
FSS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported a net income of 70.40M and revenue of 625.60M, resulting in a net margin of 11.3%.
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%.
Frequently Asked Questions
FSS and PH have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSS has higher volatility (9.95%) compared to PH (7.45%). In terms of maximum drawdown, FSS dropped -83.43% vs PH's -66.92%.
PH currently has the higher Sharpe Ratio (1.95 vs 0.47), 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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