FIX vs. ^SP400

Last updated Jun 5, 2026

FIX (Comfort Systems USA, Inc.) is a stock, while ^SP400 (S&P 400 Index) is an index. Over the past 10 years, FIX returned 51.39%/yr vs 9.55%/yr for ^SP400. A 0.53 correlation means they provide meaningful diversification when combined.

Performance

FIX vs. ^SP400 - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Comfort Systems USA, Inc. (FIX) and S&P 400 Index (^SP400). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIX achieves a 105.34% return, which is significantly higher than ^SP400's 13.94% return. Over the past 10 years, FIX has outperformed ^SP400 with an annualized return of 51.39%, while ^SP400 has yielded a comparatively lower 9.55% annualized return.

FIX

• 1D: 3.49%
• 1M: -2.64%
• YTD: 105.34%
• 6M: 90.75%
• 1Y: 284.84%
• 3Y*: 133.34%
• 5Y*: 86.69%
• 10Y*: 51.39%

^SP400

• 1D: 0.39%
• 1M: 2.80%
• YTD: 13.94%
• 6M: 13.48%
• 1Y: 24.49%
• 3Y*: 14.95%
• 5Y*: 6.66%
• 10Y*: 9.55%

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

FIX vs. ^SP400 - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FIX Comfort Systems USA, Inc.	105.34%	120.86%	106.89%	79.62%	16.98%	88.98%	6.73%	15.07%	0.73%	32.13%
^SP400 S&P 400 Index	13.94%	5.90%	12.20%	14.45%	-14.48%	23.21%	11.81%	24.05%	-12.50%	14.45%

Correlation

The correlation between FIX and ^SP400 is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.54
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.66
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Jun 30, 1997	0.53

The correlation between FIX and ^SP400 shifts across timeframes, from 0.53 (all time) to 0.66 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

FIX vs. ^SP400 — Risk / Return Rank

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

FIX

FIX Risk / Return Rank: 98
FIX Sharpe Ratio Rank: 99
FIX Sortino Ratio Rank: 98
FIX Omega Ratio Rank: 97
FIX Calmar Ratio Rank: 99
FIX Martin Ratio Rank: 99

^SP400

^SP400 Risk / Return Rank: 61
^SP400 Sharpe Ratio Rank: 57
^SP400 Sortino Ratio Rank: 58
^SP400 Omega Ratio Rank: 56
^SP400 Calmar Ratio Rank: 68
^SP400 Martin Ratio Rank: 68

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. ^SP400 - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Comfort Systems USA, Inc. (FIX) and S&P 400 Index (^SP400). 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	^SP400	Difference
Sharpe ratio: Return per unit of total volatility	5.39	1.60	+3.79
Sortino ratio: Return per unit of downside risk	5.12	2.34	+2.79
Omega ratio: Gain probability vs. loss probability	1.69	1.28	+0.40
Calmar ratio: Return relative to maximum drawdown	20.84	2.74	+18.09
Martin ratio: Return relative to average drawdown	65.36	9.88	+55.48
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. ^SP400 - Sharpe Ratio Comparison

The current FIX Sharpe Ratio is 5.39, which is higher than the ^SP400 Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of FIX and ^SP400, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FIX	^SP400	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.39	1.60	+3.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.96	0.34	+1.62
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.22	0.46	+0.76
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.49	-0.09

Drawdowns

FIX vs. ^SP400 - Drawdown Comparison

The maximum FIX drawdown since its inception was -93.36%, which is greater than ^SP400's maximum drawdown of -56.32%. Use the drawdown chart below to compare losses from any high point for FIX and ^SP400.

Drawdown Indicators

	FIX	^SP400	Difference
Max Drawdown Largest peak-to-trough decline	-93.36%	-56.32%	-37.04%
Max Drawdown (1Y) Largest decline over 1 year	-13.77%	-8.96%	-4.81%
Max Drawdown (3Y) Largest decline over 3 years	-46.05%	-24.46%	-21.59%
Max Drawdown (5Y) Largest decline over 5 years	-46.05%	-24.46%	-21.59%
Max Drawdown (10Y) Largest decline over 10 years	-49.68%	-42.14%	-7.54%
Current Drawdown Current decline from peak	-6.22%	0.00%	-6.22%
Average Drawdown Average peak-to-trough decline	-38.09%	-7.15%	-30.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.38%	2.48%	+1.90%

Volatility

FIX vs. ^SP400 - Volatility Comparison

Comfort Systems USA, Inc. (FIX) has a higher volatility of 12.75% compared to S&P 400 Index (^SP400) at 4.21%. This indicates that FIX's price experiences larger fluctuations and is considered to be riskier than ^SP400 based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIX	^SP400	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.75%	4.21%	+8.54%
Volatility (6M) Calculated over the trailing 6-month period	37.39%	11.27%	+26.12%
Volatility (1Y) Calculated over the trailing 1-year period	53.21%	15.40%	+37.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.46%	19.63%	+24.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.33%	21.00%	+21.33%

Frequently Asked Questions

Can I hold both FIX and ^SP400 in my portfolio?

FIX and ^SP400 have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIX or ^SP400?

FIX has higher volatility (12.75%) compared to ^SP400 (4.21%). In terms of maximum drawdown, FIX dropped -93.36% vs ^SP400's -56.32%.

Which has better risk-adjusted returns?

FIX currently has the higher Sharpe Ratio (5.39 vs 1.60), 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.