RELL vs. KULR

Last updated Aug 1, 2026

RELL (Richardson Electronics, Ltd.) and KULR (KULR Technology Group, Inc.) are both stocks. Both operate in the Electronic Components industry within the Technology sector. Over the past 5 years, RELL returned 21.10%/yr vs -30.48%/yr for KULR. Their 0.16 correlation means their historical movements had little consistent relationship.

Performance

RELL vs. KULR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Richardson Electronics, Ltd. (RELL) and KULR Technology Group, Inc. (KULR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RELL achieves a 69.73% return, which is significantly higher than KULR's -10.47% return.

RELL

• 1D: 0.88%
• 1M: 10.11%
• 6M: 52.74%
• YTD: 69.73%
• 1Y: 93.49%
• 3Y*: 13.17%
• 5Y*: 21.10%
• 10Y*: 14.74%
• ALL TIME*: 4.03%

KULR

• 1D: 2.32%
• 1M: -31.17%
• 6M: -25.56%
• YTD: -10.47%
• 1Y: -49.52%
• 3Y*: -29.99%
• 5Y*: -30.48%
• 10Y*: —
• ALL TIME*: -13.87%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
KULR KULR Technology Group, Inc.	$2.72M	$3.64M	$8.75M
RELL Richardson Electronics, Ltd.	$9.03M	$5.56M	$4.87M

RELL vs. KULR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
RELL Richardson Electronics, Ltd.	69.73%	-20.61%	7.37%	-36.37%	60.29%	195.92%	-12.68%	-32.57%	-7.28%
KULR KULR Technology Group, Inc.	-10.47%	-89.58%	1,818.92%	-84.58%	-56.52%	87.76%	-2.00%	-42.31%	136.36%

Correlation

The correlation between RELL and KULR is 0.39, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.39
Correlation (3Y) Balances recent behavior with more history.	0.24
Correlation (5Y) Shows whether the relationship held over a longer period.	0.22
Correlation (All Time) Calculated using the full available price history since Jul 18, 2018	0.16

Over the past year, RELL and KULR have become more correlated (0.39) than their long-term average of 0.16, meaning their price movements have been converging.

Fundamentals

Market Cap RELL : $265.83M KULR : $122.58M
EPS RELL : $0.49 KULR : -$1.53
PS Ratio RELL : 1.05 KULR : 6.63
PB Ratio RELL : 1.43 KULR : 0.87
Total Revenue (TTM) RELL : $228.56M KULR : $16.17M
Gross Profit (TTM) RELL : $71.35M KULR : $770.97K
EBITDA (TTM) RELL : $10.09M KULR : -$60.59M

Return for Risk

RELL vs. KULR — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

RELL

RELL Risk / Return Rank: 83
RELL Sharpe Ratio Rank: 81
RELL Sortino Ratio Rank: 79
RELL Omega Ratio Rank: 79
RELL Calmar Ratio Rank: 89
RELL Martin Ratio Rank: 88

KULR

KULR Risk / Return Rank: 18
KULR Sharpe Ratio Rank: 20
KULR Sortino Ratio Rank: 24
KULR Omega Ratio Rank: 25
KULR Calmar Ratio Rank: 12
KULR Martin Ratio Rank: 10

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

RELL vs. KULR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Richardson Electronics, Ltd. (RELL) and KULR Technology Group, Inc. (KULR). 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.

	RELL	KULR	Difference
Sharpe ratio: Return per unit of total volatility	1.27	-0.53	+1.79
Sortino ratio: Return per unit of downside risk	2.00	-0.39	+2.39
Omega ratio: Gain probability vs. loss probability	1.26	0.96	+0.30
Calmar ratio: Return relative to maximum drawdown	3.37	-0.82	+4.19
Martin ratio: Return relative to average drawdown	8.39	-1.36	+9.75

RELL vs. KULR - Sharpe Ratio Comparison

The current RELL Sharpe Ratio is 1.27, which is higher than the KULR Sharpe Ratio of -0.53. The chart below compares the historical Sharpe Ratios of RELL and KULR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

RELL vs. KULR - Drawdown Comparison

The maximum RELL drawdown since its inception was -84.15%, smaller than the maximum KULR drawdown of -97.23%. Use the drawdown chart below to compare losses from any high point for RELL and KULR.

Drawdown Indicators

	RELL	KULR	Difference
Max Drawdown Largest peak-to-trough decline	-84.15%	-97.23%	+13.08%
Max Drawdown (1Y) Largest decline over 1 year	-25.49%	-63.00%	+37.51%
Max Drawdown (3Y) Largest decline over 3 years	-45.14%	-94.74%	+49.60%
Max Drawdown (5Y) Largest decline over 5 years	-68.48%	-96.86%	+28.38%
Max Drawdown (10Y) Largest decline over 10 years	-68.48%	—	—
Current Drawdown Current decline from peak	-26.04%	-93.10%	+67.06%
Average Drawdown Average peak-to-trough decline	-39.03%	-66.66%	+27.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.24%	38.49%	-28.25%

Volatility

RELL vs. KULR - Volatility Comparison

Richardson Electronics, Ltd. (RELL) has a higher volatility of 35.95% compared to KULR Technology Group, Inc. (KULR) at 25.82%. This indicates that RELL's price experiences larger fluctuations and is considered to be riskier than KULR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RELL	KULR	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.95%	25.82%	+10.13%
Volatility (6M) Calculated over the trailing 6-month period	58.27%	73.93%	-15.66%
Volatility (1Y) Calculated over the trailing 1-year period	67.65%	98.80%	-31.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.02%	126.59%	-71.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.05%	126.59%	-80.54%

Dividends

RELL vs. KULR - Dividend Comparison

RELL's dividend yield for the trailing twelve months is around 1.31%, while KULR has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KULR KULR Technology Group, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RELL Richardson Electronics, Ltd.	1.31%	2.21%	1.71%	1.80%	1.13%	1.78%	3.82%	4.26%	2.76%	3.56%	3.81%	4.23%

Financials

Frequently Asked Questions

Can I hold both RELL and KULR in my portfolio?

RELL and KULR have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RELL or KULR?

RELL has higher volatility (35.95%) compared to KULR (25.82%). In terms of maximum drawdown, RELL dropped -84.15% vs KULR's -97.23%.

Which has better risk-adjusted returns?

RELL currently has the higher Sharpe Ratio (1.27 vs -0.53), 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.