AROC vs. FSS
AROC (Archrock, Inc.) and FSS (Federal Signal Corporation) are both stocks. AROC operates in Oil & Gas Equipment & Services (Energy), while FSS operates in Pollution & Treatment Controls (Industrials). Over the past 10 years, AROC returned 21.59%/yr vs 26.96%/yr for FSS. Their 0.40 correlation means their historical movements had little consistent relationship.
Performance
AROC vs. FSS - Performance Comparison
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Returns By Period
In the year-to-date period, AROC achieves a 39.21% return, which is significantly higher than FSS's 15.38% return. Over the past 10 years, AROC has underperformed FSS with an annualized return of 21.59%, while FSS has yielded a comparatively higher 26.96% annualized return.
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%
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%
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 |
AROC vs. FSS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AROC Archrock, Inc. | 39.21% | 7.96% | 67.59% | 80.96% | 28.83% | -7.83% | -5.58% | 41.84% | -25.29% | -17.11% |
FSS Federal Signal Corporation | 15.38% | 18.21% | 21.05% | 66.26% | 8.22% | 31.80% | 3.99% | 63.92% | 0.39% | 30.79% |
Correlation
The correlation between AROC and FSS 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 AROC and FSS shifts across timeframes, from 0.28 (1 year) to 0.40 (all time), reflecting how their relationship changes across market environments.
Fundamentals
AROC:
$6.27B
FSS:
$7.62B
AROC:
$1.86
FSS:
$4.64
AROC:
19.20
FSS:
26.91
AROC:
0.23
FSS:
1.05
AROC:
4.12
FSS:
3.14
AROC:
4.11
FSS:
5.10
AROC:
$1.52B
FSS:
$2.45B
AROC:
$689.41M
FSS:
$699.90M
AROC:
$875.89M
FSS:
$459.70M
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Return for Risk
AROC vs. FSS — Risk / Return Rank
AROC
FSS
AROC vs. FSS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Archrock, Inc. (AROC) and Federal Signal Corporation (FSS). 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.
| AROC | FSS | 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 | 1.30 | 1.03 | +0.27 |
| Calmar ratioReturn relative to maximum drawdown | 3.45 | -0.04 | +3.49 |
| Martin ratioReturn relative to average drawdown | 9.49 | -0.07 | +9.56 |
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Drawdowns
AROC vs. FSS - Drawdown Comparison
The maximum AROC drawdown since its inception was -84.90%, roughly equal to the maximum FSS drawdown of -83.43%. Use the drawdown chart below to compare losses from any high point for AROC and FSS.
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Drawdown Indicators
| AROC | FSS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -84.90% | -83.43% | -1.47% |
Max Drawdown (1Y)Largest decline over 1 year | -16.85% | -19.04% | +2.19% |
Max Drawdown (3Y)Largest decline over 3 years | -30.31% | -31.54% | +1.23% |
Max Drawdown (5Y)Largest decline over 5 years | -37.60% | -32.96% | -4.64% |
Max Drawdown (10Y)Largest decline over 10 years | -84.90% | -32.96% | -51.94% |
Current DrawdownCurrent decline from peak | -14.76% | -6.66% | -8.10% |
Average DrawdownAverage peak-to-trough decline | -24.61% | -22.52% | -2.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.12% | 11.41% | -5.29% |
Volatility
AROC vs. FSS - Volatility Comparison
The current volatility for Archrock, Inc. (AROC) is 11.62%, while Federal Signal Corporation (FSS) has a volatility of 16.17%. This indicates that AROC experiences smaller price fluctuations and is considered to be less risky than FSS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AROC | FSS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.62% | 16.17% | -4.55% |
Volatility (6M)Calculated over the trailing 6-month period | 24.04% | 27.90% | -3.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.94% | 34.29% | -2.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.53% | 31.49% | +5.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 50.25% | 31.98% | +18.27% |
Dividends
AROC vs. FSS - Dividend Comparison
AROC's dividend yield for the trailing twelve months is around 2.40%, more than FSS's 0.46% 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
AROC vs. FSS - Financials Comparison
This section allows you to compare key financial metrics between Archrock, Inc. and Federal Signal 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
AROC vs. FSS - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
AROC and FSS 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, AROC dropped -84.90% vs FSS's -83.43%.
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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