IBKR vs. FIX

Last updated Jun 9, 2026

IBKR (Interactive Brokers Group, Inc.) and FIX (Comfort Systems USA, Inc.) are both stocks. IBKR operates in Capital Markets (Financial Services), while FIX operates in Engineering & Construction (Industrials). Over the past 10 years, IBKR returned 25.35%/yr vs 50.73%/yr for FIX. At a 0.41 correlation, their price movements are largely independent.

Performance

IBKR vs. FIX - Performance Comparison

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

Returns By Period

In the year-to-date period, IBKR achieves a 36.11% return, which is significantly lower than FIX's 98.62% return. Over the past 10 years, IBKR has underperformed FIX with an annualized return of 25.35%, while FIX has yielded a comparatively higher 50.73% annualized return.

IBKR

• 1D: 3.50%
• 1M: 3.57%
• YTD: 36.11%
• 6M: 33.01%
• 1Y: 65.70%
• 3Y*: 64.47%
• 5Y*: 40.65%
• 10Y*: 25.35%

FIX

• 1D: 0.44%
• 1M: -5.10%
• YTD: 98.62%
• 6M: 87.34%
• 1Y: 263.59%
• 3Y*: 127.92%
• 5Y*: 85.83%
• 10Y*: 50.73%

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

IBKR vs. FIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IBKR Interactive Brokers Group, Inc.	36.11%	46.37%	114.43%	15.14%	-8.35%	31.12%	31.71%	-14.01%	-7.13%	63.75%
FIX Comfort Systems USA, Inc.	98.62%	120.86%	106.89%	79.62%	16.98%	88.98%	6.73%	15.07%	0.73%	32.13%

Correlation

The correlation between IBKR and FIX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.41
Correlation (All Time) Calculated using the full available price history since May 7, 2007	0.41

Fundamentals

Market Cap IBKR : $39.17B FIX : $65.29B
EPS IBKR : $3.76 FIX : $34.64
PE Ratio IBKR : 23.26 FIX : 53.47
PEG Ratio IBKR : 0.80 FIX : 0.81
PS Ratio IBKR : 4.49 FIX : 6.45
PB Ratio IBKR : 1.84 FIX : 23.19
Total Revenue (TTM) IBKR : $8.69B FIX : $10.14B
Gross Profit (TTM) IBKR : $7.75B FIX : $2.55B
EBITDA (TTM) IBKR : $7.07B FIX : $1.70B

Return for Risk

IBKR vs. FIX — Risk / Return Rank

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

IBKR

IBKR Risk / Return Rank: 84
IBKR Sharpe Ratio Rank: 86
IBKR Sortino Ratio Rank: 82
IBKR Omega Ratio Rank: 80
IBKR Calmar Ratio Rank: 87
IBKR Martin Ratio Rank: 86

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

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.

IBKR vs. FIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Interactive Brokers Group, Inc. (IBKR) 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.

	IBKR	FIX	Difference
Sharpe ratio: Return per unit of total volatility	1.76	4.98	-3.22
Sortino ratio: Return per unit of downside risk	2.35	4.89	-2.53
Omega ratio: Gain probability vs. loss probability	1.29	1.65	-0.36
Calmar ratio: Return relative to maximum drawdown	3.53	19.28	-15.75
Martin ratio: Return relative to average drawdown	8.98	59.72	-50.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBKR vs. FIX - Sharpe Ratio Comparison

The current IBKR Sharpe Ratio is 1.76, which is lower than the FIX Sharpe Ratio of 4.98. The chart below compares the historical Sharpe Ratios of IBKR and FIX, 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

	IBKR	FIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.76	4.98	-3.22
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.19	1.94	-0.76
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	1.20	-0.44
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.40	+0.04

Drawdowns

IBKR vs. FIX - Drawdown Comparison

The maximum IBKR drawdown since its inception was -63.66%, smaller than the maximum FIX drawdown of -93.36%. Use the drawdown chart below to compare losses from any high point for IBKR and FIX.

Drawdown Indicators

	IBKR	FIX	Difference
Max Drawdown Largest peak-to-trough decline	-63.66%	-93.36%	+29.70%
Max Drawdown (1Y) Largest decline over 1 year	-18.70%	-13.77%	-4.93%
Max Drawdown (3Y) Largest decline over 3 years	-38.66%	-46.05%	+7.39%
Max Drawdown (5Y) Largest decline over 5 years	-38.66%	-46.05%	+7.39%
Max Drawdown (10Y) Largest decline over 10 years	-55.09%	-49.68%	-5.41%
Current Drawdown Current decline from peak	-1.54%	-9.28%	+7.74%
Average Drawdown Average peak-to-trough decline	-24.73%	-38.08%	+13.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.36%	4.46%	+2.90%

Volatility

IBKR vs. FIX - Volatility Comparison

The current volatility for Interactive Brokers Group, Inc. (IBKR) is 10.34%, while Comfort Systems USA, Inc. (FIX) has a volatility of 12.60%. This indicates that IBKR 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

	IBKR	FIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.34%	12.60%	-2.26%
Volatility (6M) Calculated over the trailing 6-month period	27.65%	37.27%	-9.62%
Volatility (1Y) Calculated over the trailing 1-year period	37.63%	53.46%	-15.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.47%	44.49%	-10.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.37%	42.35%	-8.98%

Dividends

IBKR vs. FIX - Dividend Comparison

IBKR's dividend yield for the trailing twelve months is around 0.37%, more than FIX's 0.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIX Comfort Systems USA, Inc.	0.14%	0.21%	0.28%	0.41%	0.49%	0.49%	0.81%	0.79%	0.76%	0.68%	0.83%	0.88%
IBKR Interactive Brokers Group, Inc.	0.37%	0.47%	0.48%	0.48%	0.55%	0.50%	0.66%	0.86%	0.73%	0.68%	1.10%	0.92%

Financials

Frequently Asked Questions

Can I hold both IBKR and FIX in my portfolio?

IBKR and FIX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IBKR or FIX?

FIX has higher volatility (12.60%) compared to IBKR (10.34%). In terms of maximum drawdown, IBKR dropped -63.66% vs FIX's -93.36%.

Which has better risk-adjusted returns?

FIX currently has the higher Sharpe Ratio (4.98 vs 1.76), 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.