FIX vs. AAON

Last updated Apr 1, 2026

Compare and contrast key facts about Comfort Systems USA, Inc. (FIX) and AAON, Inc. (AAON).

Performance

FIX vs. AAON - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Comfort Systems USA, Inc. (FIX) and AAON, Inc. (AAON). The values are adjusted to include any dividend payments, if applicable.

FIX vs. AAON - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FIX Comfort Systems USA, Inc.	47.83%	120.86%	106.89%	79.62%	16.98%	88.98%	6.73%	15.07%	0.73%	32.13%
AAON AAON, Inc.	8.66%	-34.91%	59.88%	47.86%	-4.55%	19.84%	35.71%	41.88%	-3.59%	11.84%

Fundamentals

Market Cap FIX : $48.70B AAON : $6.88B
EPS FIX : $28.93 AAON : $1.30
PE Ratio FIX : 47.67 AAON : 63.84
PEG Ratio FIX : 0.72 AAON : 2.55
PS Ratio FIX : 5.36 AAON : 4.76
PB Ratio FIX : 19.89 AAON : 7.68
Total Revenue (TTM) FIX : $9.10B AAON : $1.44B
Gross Profit (TTM) FIX : $2.20B AAON : $385.72M
EBITDA (TTM) FIX : $1.42B AAON : $205.26M

Returns By Period

In the year-to-date period, FIX achieves a 47.83% return, which is significantly higher than AAON's 8.66% return. Over the past 10 years, FIX has outperformed AAON with an annualized return of 46.46%, while AAON has yielded a comparatively lower 16.71% annualized return.

FIX

• 1D: 8.31%
• 1M: -3.47%
• YTD: 47.83%
• 6M: 67.30%
• 1Y: 329.03%
• 3Y*: 112.20%
• 5Y*: 79.33%
• 10Y*: 46.46%

AAON

• 1D: 5.79%
• 1M: -18.13%
• YTD: 8.66%
• 6M: -11.23%
• 1Y: 6.40%
• 3Y*: 9.16%
• 5Y*: 12.45%
• 10Y*: 16.71%

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

Return for Risk

FIX vs. AAON — Risk / Return Rank

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

FIX

FIX Risk / Return Rank: 99
FIX Sharpe Ratio Rank: 100
FIX Sortino Ratio Rank: 99
FIX Omega Ratio Rank: 98
FIX Calmar Ratio Rank: 100
FIX Martin Ratio Rank: 100

AAON

AAON Risk / Return Rank: 46
AAON Sharpe Ratio Rank: 46
AAON Sortino Ratio Rank: 45
AAON Omega Ratio Rank: 44
AAON Calmar Ratio Rank: 47
AAON Martin Ratio Rank: 46

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.

FIX vs. AAON - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Comfort Systems USA, Inc. (FIX) and AAON, Inc. (AAON). 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.

	FIX	AAON	Difference
Sharpe ratio Return per unit of total volatility	5.97	0.12	+5.85
Sortino ratio Return per unit of downside risk	5.33	0.57	+4.76
Omega ratio Gain probability vs. loss probability	1.74	1.07	+0.67
Calmar ratio Return relative to maximum drawdown	23.72	0.20	+23.53
Martin ratio Return relative to average drawdown	80.80	0.35	+80.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIX vs. AAON - Sharpe Ratio Comparison

The current FIX Sharpe Ratio is 5.97, which is higher than the AAON Sharpe Ratio of 0.12. The chart below compares the historical Sharpe Ratios of FIX and AAON, 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

	FIX	AAON	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.97	0.12	+5.85
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.82	0.30	+1.52
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.11	0.43	+0.67
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.49	-0.12

Correlation

The correlation between FIX and AAON is 0.39, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

FIX vs. AAON - Dividend Comparison

FIX's dividend yield for the trailing twelve months is around 0.16%, less than AAON's 0.48% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIX Comfort Systems USA, Inc.	0.16%	0.21%	0.28%	0.41%	0.49%	0.49%	0.81%	0.79%	0.76%	0.68%	0.83%	0.88%
AAON AAON, Inc.	0.48%	0.52%	0.27%	0.43%	0.57%	0.48%	0.57%	0.65%	0.91%	0.71%	0.73%	0.95%

Drawdowns

FIX vs. AAON - Drawdown Comparison

The maximum FIX drawdown since its inception was -93.36%, which is greater than AAON's maximum drawdown of -76.03%. Use the drawdown chart below to compare losses from any high point for FIX and AAON.

Drawdown Indicators

	FIX	AAON	Difference
Max Drawdown Largest peak-to-trough decline	-93.36%	-76.03%	-17.33%
Max Drawdown (1Y) Largest decline over 1 year	-13.77%	-32.76%	+18.99%
Max Drawdown (5Y) Largest decline over 5 years	-46.05%	-48.86%	+2.81%
Max Drawdown (10Y) Largest decline over 10 years	-49.68%	-48.86%	-0.82%
Current Drawdown Current decline from peak	-6.23%	-40.83%	+34.60%
Average Drawdown Average peak-to-trough decline	-38.30%	-19.26%	-19.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.04%	18.37%	-14.33%

Volatility

FIX vs. AAON - Volatility Comparison

Comfort Systems USA, Inc. (FIX) has a higher volatility of 20.47% compared to AAON, Inc. (AAON) at 17.22%. This indicates that FIX's price experiences larger fluctuations and is considered to be riskier than AAON based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIX	AAON	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.47%	17.22%	+3.25%
Volatility (6M) Calculated over the trailing 6-month period	40.82%	33.92%	+6.90%
Volatility (1Y) Calculated over the trailing 1-year period	55.55%	54.46%	+1.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.92%	42.28%	+1.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.12%	38.66%	+3.46%

Financials

FIX vs. AAON - Profitability Comparison

The chart below illustrates the profitability comparison between Comfort Systems USA, Inc. and AAON, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

FIX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported a gross profit of 674.72M and revenue of 2.65B. Therefore, the gross margin over that period was 25.5%.

AAON - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, AAON, Inc. reported a gross profit of 109.77M and revenue of 424.22M. Therefore, the gross margin over that period was 25.9%.

FIX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported an operating income of 426.74M and revenue of 2.65B, resulting in an operating margin of 16.1%.

AAON - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, AAON, Inc. reported an operating income of 43.96M and revenue of 424.22M, resulting in an operating margin of 10.4%.

FIX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported a net income of 330.81M and revenue of 2.65B, resulting in a net margin of 12.5%.

AAON - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, AAON, Inc. reported a net income of 32.03M and revenue of 424.22M, resulting in a net margin of 7.6%.