FSS vs. AROC
FSS (Federal Signal Corporation) and AROC (Archrock, Inc.) are both stocks. FSS operates in Pollution & Treatment Controls (Industrials), while AROC operates in Oil & Gas Equipment & Services (Energy). Over the past 10 years, FSS returned 26.96%/yr vs 21.59%/yr for AROC. Their 0.40 correlation means their historical movements had little consistent relationship.
Performance
FSS vs. AROC - Performance Comparison
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Returns By Period
In the year-to-date period, FSS achieves a 15.38% return, which is significantly lower than AROC's 39.21% return. Over the past 10 years, FSS has outperformed AROC with an annualized return of 26.96%, while AROC has yielded a comparatively lower 21.59% annualized return.
FSS
- 1D
- 0.32%
- 1M
- -4.68%
- 6M
- 15.91%
- YTD
- 15.38%
- 1Y
- 2.46%
- 3Y*
- 27.11%
- 5Y*
- 26.69%
- 10Y*
- 26.96%
- ALL TIME*
- 10.15%
AROC
- 1D
- 0.96%
- 1M
- -2.80%
- 6M
- 22.41%
- YTD
- 39.21%
- 1Y
- 63.97%
- 3Y*
- 45.94%
- 5Y*
- 39.49%
- 10Y*
- 21.59%
- ALL TIME*
- 15.77%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
AROC Archrock, Inc. | $57.96M | $57.92M | $72.45M |
| $54.11M | $65.70M | $62.78M |
FSS vs. AROC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSS Federal Signal Corporation | 15.38% | 18.21% | 21.05% | 66.26% | 8.22% | 31.80% | 3.99% | 63.92% | 0.39% | 30.79% |
AROC Archrock, Inc. | 39.21% | 7.96% | 67.59% | 80.96% | 28.83% | -7.83% | -5.58% | 41.84% | -25.29% | -17.11% |
Correlation
The correlation between FSS and AROC is 0.28, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.28 |
Correlation (3Y) Balances recent behavior with more history. | 0.36 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.39 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.39 |
Correlation (All Time) Calculated using the full available price history since Nov 4, 2015 | 0.40 |
The correlation between FSS and AROC shifts across timeframes, from 0.28 (1 year) to 0.40 (all time), reflecting how their relationship changes across market environments.
Fundamentals
FSS:
$7.62B
AROC:
$6.27B
FSS:
$4.64
AROC:
$1.86
FSS:
26.91
AROC:
19.20
FSS:
1.05
AROC:
0.23
FSS:
3.14
AROC:
4.12
FSS:
5.10
AROC:
4.11
FSS:
$2.45B
AROC:
$1.52B
FSS:
$699.90M
AROC:
$689.41M
FSS:
$459.70M
AROC:
$875.89M
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Return for Risk
FSS vs. AROC — Risk / Return Rank
FSS
AROC
FSS vs. AROC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Federal Signal Corporation (FSS) and Archrock, Inc. (AROC). 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 | AROC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.84 | ||
| Sortino ratioReturn per unit of downside risk | -2.17 | ||
| Omega ratioGain probability vs. loss probability | 1.03 | 1.30 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | -0.04 | 3.45 | -3.49 |
| Martin ratioReturn relative to average drawdown | -0.07 | 9.49 | -9.56 |
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Drawdowns
FSS vs. AROC - Drawdown Comparison
The maximum FSS drawdown since its inception was -83.43%, roughly equal to the maximum AROC drawdown of -84.90%. Use the drawdown chart below to compare losses from any high point for FSS and AROC.
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Drawdown Indicators
| FSS | AROC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.43% | -84.90% | +1.47% |
Max Drawdown (1Y)Largest decline over 1 year | -19.04% | -16.85% | -2.19% |
Max Drawdown (3Y)Largest decline over 3 years | -31.54% | -30.31% | -1.23% |
Max Drawdown (5Y)Largest decline over 5 years | -32.96% | -37.60% | +4.64% |
Max Drawdown (10Y)Largest decline over 10 years | -32.96% | -84.90% | +51.94% |
Current DrawdownCurrent decline from peak | -6.66% | -14.76% | +8.10% |
Average DrawdownAverage peak-to-trough decline | -22.52% | -24.61% | +2.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.41% | 6.12% | +5.29% |
Volatility
FSS vs. AROC - Volatility Comparison
Federal Signal Corporation (FSS) has a higher volatility of 16.17% compared to Archrock, Inc. (AROC) at 11.62%. This indicates that FSS's price experiences larger fluctuations and is considered to be riskier than AROC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSS | AROC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.17% | 11.62% | +4.55% |
Volatility (6M)Calculated over the trailing 6-month period | 27.90% | 24.04% | +3.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.29% | 31.94% | +2.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.49% | 36.53% | -5.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.98% | 50.25% | -18.27% |
Dividends
FSS vs. AROC - Dividend Comparison
FSS's dividend yield for the trailing twelve months is around 0.46%, less than AROC's 2.40% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AROC Archrock, Inc. | 2.40% | 3.07% | 2.69% | 3.96% | 6.46% | 7.75% | 6.70% | 5.52% | 6.73% | 4.57% | 3.77% | 0.00% |
FSS Federal Signal Corporation | 0.46% | 0.52% | 0.52% | 0.51% | 0.77% | 0.83% | 0.96% | 0.99% | 1.56% | 1.39% | 1.79% | 1.58% |
Financials
FSS vs. AROC - Financials Comparison
This section allows you to compare key financial metrics between Federal Signal Corporation and Archrock, 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
FSS vs. AROC - Profitability Comparison
FSS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Federal Signal Corporation reported a gross profit of 203.80M and revenue of 670.20M. Therefore, the gross margin over that period was 30.4%.
AROC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Archrock, Inc. reported a gross profit of 0.00 and revenue of 373.77M. Therefore, the gross margin over that period was 0.0%.
FSS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Federal Signal Corporation reported an operating income of 118.20M and revenue of 670.20M, resulting in an operating margin of 17.6%.
AROC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Archrock, Inc. reported an operating income of 0.00 and revenue of 373.77M, resulting in an operating margin of 0.0%.
FSS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Federal Signal Corporation reported a net income of 86.10M and revenue of 670.20M, resulting in a net margin of 12.9%.
AROC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Archrock, Inc. reported a net income of 73.79M and revenue of 373.77M, resulting in a net margin of 19.7%.
Frequently Asked Questions
FSS and AROC have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSS has higher volatility (16.17%) compared to AROC (11.62%). In terms of maximum drawdown, FSS dropped -83.43% vs AROC's -84.90%.
AROC currently has the higher Sharpe Ratio (1.82 vs -0.02), 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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