POWL vs. BELFB

Last updated Jun 3, 2026

POWL (Powell Industries, Inc.) and BELFB (Bel Fuse Inc.) are both stocks. POWL operates in Electrical Equipment & Parts (Industrials), while BELFB operates in Electronic Components (Technology). Over the past 10 years, POWL returned 41.44%/yr vs 32.62%/yr for BELFB. At a 0.32 correlation, their price movements are largely independent.

Performance

POWL vs. BELFB - Performance Comparison

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

Returns By Period

In the year-to-date period, POWL achieves a 181.68% return, which is significantly higher than BELFB's 58.81% return. Over the past 10 years, POWL has outperformed BELFB with an annualized return of 41.44%, while BELFB has yielded a comparatively lower 32.62% annualized return.

POWL

• 1D: 3.80%
• 1M: 8.66%
• YTD: 181.68%
• 6M: 178.43%
• 1Y: 421.05%
• 3Y*: 145.60%
• 5Y*: 95.43%
• 10Y*: 41.44%

BELFB

• 1D: -0.24%
• 1M: -5.07%
• YTD: 58.81%
• 6M: 66.76%
• 1Y: 277.48%
• 3Y*: 72.94%
• 5Y*: 79.43%
• 10Y*: 32.62%

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

POWL vs. BELFB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
POWL Powell Industries, Inc.	181.68%	44.49%	152.21%	155.62%	24.34%	3.60%	-37.60%	101.58%	-9.92%	-24.00%
BELFB Bel Fuse Inc.	58.81%	106.32%	24.03%	104.19%	158.73%	-12.33%	-24.84%	13.09%	-25.89%	-17.68%

Correlation

The correlation between POWL and BELFB is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.39
Correlation (5Y) Calculated over the trailing 5-year period	0.37
Correlation (10Y) Calculated over the trailing 10-year period	0.37
Correlation (All Time) Calculated using the full available price history since Jul 13, 1998	0.32

Fundamentals

Market Cap POWL : $10.93B BELFB : $569.40M
EPS POWL : $5.12 BELFB : $7.60
PE Ratio POWL : 58.43 BELFB : 35.41
PEG Ratio POWL : 0.09 BELFB : 0.86
PS Ratio POWL : 9.65 BELFB : 2.78
PB Ratio POWL : 15.41 BELFB : 0.60
Total Revenue (TTM) POWL : $1.13B BELFB : $701.71M
Gross Profit (TTM) POWL : $340.78M BELFB : $275.20M
EBITDA (TTM) POWL : $236.11M BELFB : $135.78M

Return for Risk

POWL vs. BELFB — Risk / Return Rank

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

POWL

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

BELFB

BELFB Risk / Return Rank: 98
BELFB Sharpe Ratio Rank: 99
BELFB Sortino Ratio Rank: 97
BELFB Omega Ratio Rank: 97
BELFB Calmar Ratio Rank: 98
BELFB 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.

POWL vs. BELFB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Powell Industries, Inc. (POWL) and Bel Fuse Inc. (BELFB). 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.

	POWL	BELFB	Difference
Sharpe ratio Return per unit of total volatility	7.27	5.83	+1.44
Sortino ratio Return per unit of downside risk	5.38	4.75	+0.64
Omega ratio Gain probability vs. loss probability	1.67	1.67	+0.01
Calmar ratio Return relative to maximum drawdown	13.94	13.58	+0.36
Martin ratio Return relative to average drawdown	45.01	40.48	+4.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

POWL vs. BELFB - Sharpe Ratio Comparison

The current POWL Sharpe Ratio is 7.27, which is comparable to the BELFB Sharpe Ratio of 5.83. The chart below compares the historical Sharpe Ratios of POWL and BELFB, 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

	POWL	BELFB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	7.27	5.83	+1.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.50	1.55	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.56	+0.20
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	0.25	+0.03

Drawdowns

POWL vs. BELFB - Drawdown Comparison

The maximum POWL drawdown since its inception was -73.10%, smaller than the maximum BELFB drawdown of -81.89%. Use the drawdown chart below to compare losses from any high point for POWL and BELFB.

Drawdown Indicators

	POWL	BELFB	Difference
Max Drawdown Largest peak-to-trough decline	-73.10%	-81.89%	+8.79%
Max Drawdown (1Y) Largest decline over 1 year	-30.88%	-19.54%	-11.34%
Max Drawdown (3Y) Largest decline over 3 years	-55.76%	-36.49%	-19.27%
Max Drawdown (5Y) Largest decline over 5 years	-55.76%	-36.49%	-19.27%
Max Drawdown (10Y) Largest decline over 10 years	-68.85%	-79.79%	+10.94%
Current Drawdown Current decline from peak	-7.10%	-11.07%	+3.97%
Average Drawdown Average peak-to-trough decline	-36.12%	-36.89%	+0.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.56%	6.56%	+3.00%

Volatility

POWL vs. BELFB - Volatility Comparison

Powell Industries, Inc. (POWL) has a higher volatility of 19.76% compared to Bel Fuse Inc. (BELFB) at 15.48%. This indicates that POWL's price experiences larger fluctuations and is considered to be riskier than BELFB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	POWL	BELFB	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.76%	15.48%	+4.28%
Volatility (6M) Calculated over the trailing 6-month period	42.59%	35.05%	+7.54%
Volatility (1Y) Calculated over the trailing 1-year period	58.37%	48.05%	+10.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	64.06%	51.46%	+12.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	54.67%	58.32%	-3.65%

Dividends

POWL vs. BELFB - Dividend Comparison

POWL's dividend yield for the trailing twelve months is around 0.12%, more than BELFB's 0.10% 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%
POWL Powell Industries, Inc.	0.12%	0.34%	0.48%	1.19%	2.96%	3.53%	3.53%	2.12%	4.16%	3.63%	2.67%	4.00%

Financials

POWL vs. BELFB - Profitability Comparison

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

POWL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Powell Industries, Inc. reported a gross profit of 87.94M and revenue of 296.62M. Therefore, the gross margin over that period was 29.7%.

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%.

POWL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Powell Industries, Inc. reported an operating income of 57.58M and revenue of 296.62M, resulting in an operating margin of 19.4%.

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%.

POWL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Powell Industries, Inc. reported a net income of 45.89M and revenue of 296.62M, resulting in a net margin of 15.5%.

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%.

Frequently Asked Questions

Can I hold both POWL and BELFB in my portfolio?

POWL and BELFB have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, POWL or BELFB?

POWL has higher volatility (19.76%) compared to BELFB (15.48%). In terms of maximum drawdown, POWL dropped -73.10% vs BELFB's -81.89%.

Which has better risk-adjusted returns?

POWL currently has the higher Sharpe Ratio (7.27 vs 5.83), 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.