BELFA vs. APH

Last updated Apr 1, 2026

Compare and contrast key facts about Bel Fuse Inc. (BELFA) and Amphenol Corporation (APH).

Performance

BELFA vs. APH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bel Fuse Inc. (BELFA) and Amphenol Corporation (APH). The values are adjusted to include any dividend payments, if applicable.

BELFA vs. APH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BELFA Bel Fuse Inc.	18.75%	68.98%	39.80%	102.03%	117.06%	14.81%	-16.19%	19.66%	-36.22%	-12.91%
APH Amphenol Corporation	-6.32%	96.08%	41.30%	31.85%	-11.96%	35.25%	22.09%	34.91%	-6.82%	31.81%

Fundamentals

Market Cap BELFA : $381.12M APH : $162.83B
EPS BELFA : $6.88 APH : $3.34
PE Ratio BELFA : 26.20 APH : 37.88
PEG Ratio BELFA : 0.60 APH : 1.26
PS Ratio BELFA : 2.39 APH : 7.00
PB Ratio BELFA : 0.41 APH : 12.14
Total Revenue (TTM) BELFA : $675.46M APH : $23.09B
Gross Profit (TTM) BELFA : $264.42M APH : $8.52B
EBITDA (TTM) BELFA : $142.97M APH : $6.89B

Returns By Period

In the year-to-date period, BELFA achieves a 18.75% return, which is significantly higher than APH's -6.32% return. Over the past 10 years, BELFA has outperformed APH with an annualized return of 30.88%, while APH has yielded a comparatively lower 25.30% annualized return.

BELFA

• 1D: 0.01%
• 1M: -14.98%
• YTD: 18.75%
• 6M: 55.01%
• 1Y: 150.67%
• 3Y*: 71.14%
• 5Y*: 59.16%
• 10Y*: 30.88%

APH

• 1D: 6.04%
• 1M: -13.32%
• YTD: -6.32%
• 6M: 2.50%
• 1Y: 94.00%
• 3Y*: 46.92%
• 5Y*: 31.66%
• 10Y*: 25.30%

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

Return for Risk

BELFA vs. APH — Risk / Return Rank

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

BELFA

BELFA Risk / Return Rank: 94
BELFA Sharpe Ratio Rank: 95
BELFA Sortino Ratio Rank: 92
BELFA Omega Ratio Rank: 91
BELFA Calmar Ratio Rank: 96
BELFA Martin Ratio Rank: 96

APH

APH Risk / Return Rank: 90
APH Sharpe Ratio Rank: 93
APH Sortino Ratio Rank: 89
APH Omega Ratio Rank: 91
APH Calmar Ratio Rank: 87
APH Martin Ratio Rank: 91

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.

BELFA vs. APH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bel Fuse Inc. (BELFA) and Amphenol Corporation (APH). 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.

	BELFA	APH	Difference
Sharpe ratio Return per unit of total volatility	2.72	2.30	+0.42
Sortino ratio Return per unit of downside risk	3.08	2.65	+0.43
Omega ratio Gain probability vs. loss probability	1.40	1.40	0.00
Calmar ratio Return relative to maximum drawdown	6.78	3.23	+3.55
Martin ratio Return relative to average drawdown	18.43	11.34	+7.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BELFA vs. APH - Sharpe Ratio Comparison

The current BELFA Sharpe Ratio is 2.72, which is comparable to the APH Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of BELFA and APH, 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

	BELFA	APH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.72	2.30	+0.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.19	1.08	+0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.93	-0.42
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.62	-0.51

Correlation

The correlation between BELFA and APH is 0.19, 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

BELFA vs. APH - Dividend Comparison

BELFA's dividend yield for the trailing twelve months is around 0.13%, less than APH's 0.66% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BELFA Bel Fuse Inc.	0.13%	0.16%	0.27%	0.39%	0.78%	1.60%	1.81%	1.48%	1.75%	1.10%	0.95%	1.64%
APH Amphenol Corporation	0.66%	0.55%	0.79%	1.07%	1.06%	0.89%	0.80%	0.89%	1.09%	0.80%	0.86%	1.01%

Drawdowns

BELFA vs. APH - Drawdown Comparison

The maximum BELFA drawdown since its inception was -89.86%, which is greater than APH's maximum drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for BELFA and APH.

Drawdown Indicators

	BELFA	APH	Difference
Max Drawdown Largest peak-to-trough decline	-89.86%	-63.41%	-26.45%
Max Drawdown (1Y) Largest decline over 1 year	-21.82%	-28.19%	+6.37%
Max Drawdown (5Y) Largest decline over 5 years	-43.43%	-28.73%	-14.70%
Max Drawdown (10Y) Largest decline over 10 years	-78.04%	-37.56%	-40.48%
Current Drawdown Current decline from peak	-18.52%	-23.85%	+5.33%
Average Drawdown Average peak-to-trough decline	-50.68%	-13.55%	-37.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.03%	8.03%	0.00%

Volatility

BELFA vs. APH - Volatility Comparison

Bel Fuse Inc. (BELFA) has a higher volatility of 18.83% compared to Amphenol Corporation (APH) at 14.30%. This indicates that BELFA's price experiences larger fluctuations and is considered to be riskier than APH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BELFA	APH	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.83%	14.30%	+4.53%
Volatility (6M) Calculated over the trailing 6-month period	36.78%	33.98%	+2.80%
Volatility (1Y) Calculated over the trailing 1-year period	55.68%	41.10%	+14.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.88%	29.47%	+20.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.80%	27.16%	+33.64%

Financials

BELFA vs. APH - Profitability Comparison

The chart below illustrates the profitability comparison between Bel Fuse Inc. and Amphenol Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BELFA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Bel Fuse Inc. reported a gross profit of 69.38M and revenue of 175.94M. Therefore, the gross margin over that period was 39.4%.

APH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a gross profit of 2.46B and revenue of 6.44B. Therefore, the gross margin over that period was 38.2%.

BELFA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Bel Fuse Inc. reported an operating income of 25.78M and revenue of 175.94M, resulting in an operating margin of 14.7%.

APH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported an operating income of 1.77B and revenue of 6.44B, resulting in an operating margin of 27.5%.

BELFA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Bel Fuse Inc. reported a net income of -5.45M and revenue of 175.94M, resulting in a net margin of -3.1%.

APH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a net income of 1.20B and revenue of 6.44B, resulting in a net margin of 18.6%.