BELFB vs. FIX
BELFB (Bel Fuse Inc.) and FIX (Comfort Systems USA, Inc.) are both stocks. BELFB operates in Electronic Components (Technology), while FIX operates in Engineering & Construction (Industrials). Over the past 10 years, BELFB returned 34.34%/yr vs 51.27%/yr for FIX. At a 0.36 correlation, their price movements are largely independent.
Performance
BELFB vs. FIX - Performance Comparison
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Returns By Period
In the year-to-date period, BELFB achieves a 73.36% return, which is significantly lower than FIX's 101.37% return. Over the past 10 years, BELFB has underperformed FIX with an annualized return of 34.34%, while FIX has yielded a comparatively higher 51.27% annualized return.
BELFB
- 1D
- -0.90%
- 1M
- 10.10%
- YTD
- 73.36%
- 6M
- 69.86%
- 1Y
- 240.77%
- 3Y*
- 72.41%
- 5Y*
- 84.50%
- 10Y*
- 34.34%
FIX
- 1D
- 1.85%
- 1M
- -7.68%
- YTD
- 101.37%
- 6M
- 94.15%
- 1Y
- 275.43%
- 3Y*
- 128.82%
- 5Y*
- 86.97%
- 10Y*
- 51.27%
BELFB vs. FIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BELFB Bel Fuse Inc. | 73.36% | 106.32% | 24.03% | 104.19% | 158.73% | -12.33% | -24.84% | 13.09% | -25.89% | -17.68% |
FIX Comfort Systems USA, Inc. | 101.37% | 120.86% | 106.89% | 79.62% | 16.98% | 88.98% | 6.73% | 15.07% | 0.73% | 32.13% |
Correlation
The correlation between BELFB and FIX is 0.50, 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 | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.51 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.48 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Jul 10, 1998 | 0.36 |
The correlation between BELFB and FIX shifts across timeframes, from 0.36 (all time) to 0.51 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
BELFB:
$621.54M
FIX:
$66.19B
BELFB:
$7.60
FIX:
$34.64
BELFB:
38.65
FIX:
54.21
BELFB:
0.94
FIX:
0.82
BELFB:
3.03
FIX:
6.54
BELFB:
0.65
FIX:
23.51
BELFB:
$701.71M
FIX:
$10.14B
BELFB:
$275.20M
FIX:
$2.55B
BELFB:
$135.78M
FIX:
$1.70B
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Return for Risk
BELFB vs. FIX — Risk / Return Rank
BELFB
FIX
BELFB vs. FIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bel Fuse Inc. (BELFB) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BELFB | FIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.16 | ||
| Sortino ratioReturn per unit of downside risk | -0.58 | ||
| Omega ratioGain probability vs. loss probability | 1.60 | 1.66 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 12.41 | 17.58 | -5.18 |
| Martin ratioReturn relative to average drawdown | 36.02 | 59.47 | -23.45 |
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Drawdowns
BELFB vs. FIX - Drawdown Comparison
The maximum BELFB drawdown since its inception was -81.89%, smaller than the maximum FIX drawdown of -93.36%. Use the drawdown chart below to compare losses from any high point for BELFB and FIX.
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Drawdown Indicators
| BELFB | FIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -81.89% | -93.36% | +11.47% |
Max Drawdown (1Y)Largest decline over 1 year | -19.54% | -15.78% | -3.76% |
Max Drawdown (3Y)Largest decline over 3 years | -36.49% | -46.05% | +9.56% |
Max Drawdown (5Y)Largest decline over 5 years | -36.49% | -46.05% | +9.56% |
Max Drawdown (10Y)Largest decline over 10 years | -79.79% | -49.68% | -30.11% |
Current DrawdownCurrent decline from peak | -2.93% | -8.03% | +5.10% |
Average DrawdownAverage peak-to-trough decline | -36.85% | -38.06% | +1.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.72% | 4.66% | +2.06% |
Volatility
BELFB vs. FIX - Volatility Comparison
The current volatility for Bel Fuse Inc. (BELFB) is 14.25%, while Comfort Systems USA, Inc. (FIX) has a volatility of 15.34%. This indicates that BELFB 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.
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Volatility by Period
| BELFB | FIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.25% | 15.34% | -1.09% |
Volatility (6M)Calculated over the trailing 6-month period | 36.10% | 38.30% | -2.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 48.91% | 54.05% | -5.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 51.65% | 44.66% | +6.99% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 58.40% | 42.44% | +15.96% |
Dividends
BELFB vs. FIX - Dividend Comparison
BELFB's dividend yield for the trailing twelve months is around 0.10%, less than FIX's 0.14% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BELFB Bel Fuse Inc. | 0.10% | 0.17% | 0.34% | 0.42% | 0.85% | 2.17% | 1.86% | 1.37% | 1.52% | 1.11% | 0.91% | 1.62% |
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% |
Financials
BELFB vs. FIX - Financials Comparison
This section allows you to compare key financial metrics between Bel Fuse Inc. and Comfort Systems USA, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
BELFB vs. FIX - Profitability Comparison
BELFB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Bel Fuse Inc. reported a gross profit of 69.60M and revenue of 178.49M. Therefore, the gross margin over that period was 39.0%.
FIX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Comfort Systems USA, Inc. reported a gross profit of 754.41M and revenue of 2.87B. Therefore, the gross margin over that period was 26.3%.
BELFB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Bel Fuse Inc. reported an operating income of 23.67M and revenue of 178.49M, resulting in an operating margin of 13.3%.
FIX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Comfort Systems USA, Inc. reported an operating income of 485.72M and revenue of 2.87B, resulting in an operating margin of 17.0%.
BELFB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Bel Fuse Inc. reported a net income of 11.38M and revenue of 178.49M, resulting in a net margin of 6.4%.
FIX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Comfort Systems USA, Inc. reported a net income of 370.38M and revenue of 2.87B, resulting in a net margin of 12.9%.
Frequently Asked Questions
BELFB and FIX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FIX has higher volatility (15.34%) compared to BELFB (14.25%). In terms of maximum drawdown, BELFB dropped -81.89% vs FIX's -93.36%.
FIX currently has the higher Sharpe Ratio (5.13 vs 4.97), 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.
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