AAON vs. FIX

Last updated Apr 1, 2026

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

Performance

AAON vs. FIX - Performance Comparison

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

AAON vs. FIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AAON AAON, Inc.	8.66%	-34.91%	59.88%	47.86%	-4.55%	19.84%	35.71%	41.88%	-3.59%	11.84%
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%

Fundamentals

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

Returns By Period

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

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%

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%

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

Return for Risk

AAON vs. FIX — Risk / Return Rank

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

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

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

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.

AAON vs. FIX - Risk-Adjusted Trends Comparison

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

	AAON	FIX	Difference
Sharpe ratio Return per unit of total volatility	0.12	5.97	-5.85
Sortino ratio Return per unit of downside risk	0.57	5.33	-4.76
Omega ratio Gain probability vs. loss probability	1.07	1.74	-0.67
Calmar ratio Return relative to maximum drawdown	0.20	23.72	-23.53
Martin ratio Return relative to average drawdown	0.35	80.80	-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.

AAON vs. FIX - Sharpe Ratio Comparison

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

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

Correlation

The correlation between AAON and FIX 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

AAON vs. FIX - Dividend Comparison

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

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
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%

Drawdowns

AAON vs. FIX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

AAON vs. FIX - Volatility Comparison

The current volatility for AAON, Inc. (AAON) is 17.22%, while Comfort Systems USA, Inc. (FIX) has a volatility of 20.47%. This indicates that AAON experiences smaller price fluctuations and is considered to be less risky than FIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials

AAON vs. FIX - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.