FSS vs. AROC

Last updated Apr 1, 2026

Compare and contrast key facts about Federal Signal Corporation (FSS) and Archrock, Inc. (AROC).

Performance

FSS vs. AROC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Federal Signal Corporation (FSS) and Archrock, Inc. (AROC). The values are adjusted to include any dividend payments, if applicable.

FSS vs. AROC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSS Federal Signal Corporation	-0.27%	18.21%	21.05%	66.26%	8.22%	31.80%	3.99%	63.92%	0.39%	30.79%
AROC Archrock, Inc.	34.66%	7.96%	67.59%	80.96%	28.83%	-7.83%	-5.58%	41.84%	-25.29%	-17.11%

Fundamentals

Market Cap FSS : $6.65B AROC : $6.07B
EPS FSS : $4.02 AROC : $1.84
PE Ratio FSS : 26.93 AROC : 18.88
PEG Ratio FSS : 1.05 AROC : 0.23
PS Ratio FSS : 3.05 AROC : 4.08
PB Ratio FSS : 4.81 AROC : 4.07
Total Revenue (TTM) FSS : $2.18B AROC : $1.49B
Gross Profit (TTM) FSS : $631.20M AROC : $711.83M
EBITDA (TTM) FSS : $340.90M AROC : $845.24M

Returns By Period

In the year-to-date period, FSS achieves a -0.27% return, which is significantly lower than AROC's 34.66% return. Both investments have delivered pretty close results over the past 10 years, with FSS having a 24.56% annualized return and AROC not far behind at 24.13%.

FSS

• 1D: 3.22%
• 1M: -6.99%
• YTD: -0.27%
• 6M: -8.87%
• 1Y: 47.80%
• 3Y*: 26.62%
• 5Y*: 23.62%
• 10Y*: 24.56%

AROC

• 1D: 0.90%
• 1M: -1.50%
• YTD: 34.66%
• 6M: 34.27%
• 1Y: 36.97%
• 3Y*: 58.61%
• 5Y*: 35.49%
• 10Y*: 24.13%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

FSS vs. AROC — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FSS

FSS Risk / Return Rank: 80
FSS Sharpe Ratio Rank: 82
FSS Sortino Ratio Rank: 82
FSS Omega Ratio Rank: 80
FSS Calmar Ratio Rank: 81
FSS Martin Ratio Rank: 76

AROC

AROC Risk / Return Rank: 72
AROC Sharpe Ratio Rank: 76
AROC Sortino Ratio Rank: 69
AROC Omega Ratio Rank: 69
AROC Calmar Ratio Rank: 73
AROC Martin Ratio Rank: 75

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

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.

	FSS	AROC	Difference
Sharpe ratio Return per unit of total volatility	1.34	1.05	+0.28
Sortino ratio Return per unit of downside risk	2.18	1.51	+0.67
Omega ratio Gain probability vs. loss probability	1.28	1.21	+0.07
Calmar ratio Return relative to maximum drawdown	2.34	1.59	+0.75
Martin ratio Return relative to average drawdown	4.80	4.36	+0.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSS vs. AROC - Sharpe Ratio Comparison

The current FSS Sharpe Ratio is 1.34, which is comparable to the AROC Sharpe Ratio of 1.05. The chart below compares the historical Sharpe Ratios of FSS and AROC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FSS	AROC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.34	1.05	+0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	0.98	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.46	+0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.30	-0.02

Correlation

The correlation between FSS and AROC is 0.41, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

FSS vs. AROC - Dividend Comparison

FSS's dividend yield for the trailing twelve months is around 0.53%, less than AROC's 2.39% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSS Federal Signal Corporation	0.53%	0.52%	0.52%	0.51%	0.77%	0.83%	0.96%	0.99%	1.56%	1.39%	1.79%	1.58%
AROC Archrock, Inc.	2.39%	3.07%	2.69%	3.96%	6.46%	7.75%	6.70%	5.52%	6.73%	4.57%	3.77%	0.00%

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.

Drawdown Indicators

	FSS	AROC	Difference
Max Drawdown Largest peak-to-trough decline	-83.43%	-84.90%	+1.47%
Max Drawdown (1Y) Largest decline over 1 year	-19.04%	-22.54%	+3.50%
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 Drawdown Current decline from peak	-16.44%	-6.05%	-10.39%
Average Drawdown Average peak-to-trough decline	-22.61%	-24.93%	+2.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.30%	8.24%	+1.06%

Volatility

FSS vs. AROC - Volatility Comparison

Federal Signal Corporation (FSS) has a higher volatility of 10.31% compared to Archrock, Inc. (AROC) at 8.95%. 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.

Volatility by Period

	FSS	AROC	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.31%	8.95%	+1.36%
Volatility (6M) Calculated over the trailing 6-month period	21.62%	20.95%	+0.67%
Volatility (1Y) Calculated over the trailing 1-year period	36.05%	35.31%	+0.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.21%	36.62%	-6.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.57%	53.15%	-21.58%

Financials

FSS vs. AROC - Profitability Comparison

The chart below illustrates the profitability comparison between Federal Signal Corporation and Archrock, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

FSS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Federal Signal Corporation reported a gross profit of 173.80M and revenue of 597.10M. Therefore, the gross margin over that period was 29.1%.

AROC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Archrock, Inc. reported a gross profit of 0.00 and revenue of 377.07M. 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 Apr 2026, Federal Signal Corporation reported an operating income of 81.90M and revenue of 597.10M, resulting in an operating margin of 13.7%.

AROC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Archrock, Inc. reported an operating income of 0.00 and revenue of 377.07M, 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 Apr 2026, Federal Signal Corporation reported a net income of 60.80M and revenue of 597.10M, resulting in a net margin of 10.2%.

AROC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Archrock, Inc. reported a net income of 116.77M and revenue of 377.07M, resulting in a net margin of 31.0%.