RYCEY vs. KULR

Last updated Jun 9, 2026

RYCEY (Rolls-Royce Holdings plc) and KULR (KULR Technology Group, Inc.) are both stocks. RYCEY operates in Aerospace & Defense (Industrials), while KULR operates in Electronic Components (Technology). Over the past 5 years, RYCEY returned 60.04%/yr vs -29.09%/yr for KULR. At a 0.11 correlation, their price movements are largely independent.

Performance

RYCEY vs. KULR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rolls-Royce Holdings plc (RYCEY) 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, RYCEY achieves a 6.89% return, which is significantly lower than KULR's 26.01% return.

RYCEY

• 1D: -0.24%
• 1M: -0.36%
• YTD: 6.89%
• 6M: 11.28%
• 1Y: 38.97%
• 3Y*: 110.24%
• 5Y*: 60.04%
• 10Y*: 7.82%

KULR

• 1D: -2.10%
• 1M: 29.07%
• YTD: 26.01%
• 6M: -3.62%
• 1Y: -60.49%
• 3Y*: -11.82%
• 5Y*: -29.09%
• 10Y*: —

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

RYCEY vs. KULR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
RYCEY Rolls-Royce Holdings plc	6.89%	123.64%	88.21%	253.27%	-33.95%	2.53%	-82.05%	-12.69%	-20.07%
KULR KULR Technology Group, Inc.	26.01%	-89.58%	1,818.92%	-84.58%	-56.52%	87.76%	-2.00%	-42.31%	73.33%

Correlation

The correlation between RYCEY and KULR is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (All Time) Calculated using the full available price history since Jul 19, 2018	0.11

Over the past year, RYCEY and KULR have become more correlated (0.31) than their long-term average of 0.11, meaning their price movements have been converging.

Fundamentals

Market Cap RYCEY : $140.58B KULR : $148.18M
EPS RYCEY : $0.99 KULR : -$1.57
PS Ratio RYCEY : 3.52 KULR : 9.11
PB Ratio RYCEY : 51.66 KULR : 1.22
Total Revenue (TTM) RYCEY : $40.04B KULR : $16.17M
Gross Profit (TTM) RYCEY : $10.10B KULR : $770.97K
EBITDA (TTM) RYCEY : $8.04B KULR : -$60.59M

Return for Risk

RYCEY vs. KULR — Risk / Return Rank

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

RYCEY

RYCEY Risk / Return Rank: 72
RYCEY Sharpe Ratio Rank: 73
RYCEY Sortino Ratio Rank: 70
RYCEY Omega Ratio Rank: 67
RYCEY Calmar Ratio Rank: 73
RYCEY Martin Ratio Rank: 77

KULR

KULR Risk / Return Rank: 19
KULR Sharpe Ratio Rank: 17
KULR Sortino Ratio Rank: 20
KULR Omega Ratio Rank: 21
KULR Calmar Ratio Rank: 13
KULR Martin Ratio Rank: 22

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.

RYCEY vs. KULR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rolls-Royce Holdings plc (RYCEY) 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.

	RYCEY	KULR	Difference
Sharpe ratio: Return per unit of total volatility	1.04	-0.57	+1.61
Sortino ratio: Return per unit of downside risk	1.68	-0.52	+2.20
Omega ratio: Gain probability vs. loss probability	1.20	0.94	+0.26
Calmar ratio: Return relative to maximum drawdown	1.80	-0.76	+2.56
Martin ratio: Return relative to average drawdown	5.11	-0.99	+6.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYCEY vs. KULR - Sharpe Ratio Comparison

The current RYCEY Sharpe Ratio is 1.04, which is higher than the KULR Sharpe Ratio of -0.57. The chart below compares the historical Sharpe Ratios of RYCEY 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.

Sharpe Ratios by Period

	RYCEY	KULR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.04	-0.57	+1.61
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.39	-0.23	+1.62
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.23	-0.11	-0.12

Drawdowns

RYCEY vs. KULR - Drawdown Comparison

The maximum RYCEY drawdown since its inception was -99.07%, roughly equal to the maximum KULR drawdown of -97.23%. Use the drawdown chart below to compare losses from any high point for RYCEY and KULR.

Drawdown Indicators

	RYCEY	KULR	Difference
Max Drawdown Largest peak-to-trough decline	-99.07%	-97.23%	-1.84%
Max Drawdown (1Y) Largest decline over 1 year	-21.75%	-79.80%	+58.05%
Max Drawdown (3Y) Largest decline over 3 years	-23.37%	-94.74%	+71.37%
Max Drawdown (5Y) Largest decline over 5 years	-62.01%	-96.86%	+34.85%
Max Drawdown (10Y) Largest decline over 10 years	-94.64%	—	—
Current Drawdown Current decline from peak	-78.78%	-90.29%	+11.51%
Average Drawdown Average peak-to-trough decline	-84.19%	-66.23%	-17.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.65%	60.84%	-53.19%

Volatility

RYCEY vs. KULR - Volatility Comparison

The current volatility for Rolls-Royce Holdings plc (RYCEY) is 11.26%, while KULR Technology Group, Inc. (KULR) has a volatility of 47.09%. This indicates that RYCEY experiences smaller price fluctuations and is considered to be less risky than KULR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYCEY	KULR	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.26%	47.09%	-35.83%
Volatility (6M) Calculated over the trailing 6-month period	32.56%	76.46%	-43.90%
Volatility (1Y) Calculated over the trailing 1-year period	37.74%	106.05%	-68.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.44%	126.05%	-82.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.35%	126.51%	-77.16%

Dividends

RYCEY vs. KULR - Dividend Comparison

RYCEY's dividend yield for the trailing twelve months is around 0.76%, 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%
RYCEY Rolls-Royce Holdings plc	0.76%	0.86%	0.00%	0.00%	0.00%	0.00%	5.51%	1.56%	1.32%	1.55%	4.19%	14.44%

Financials

Frequently Asked Questions

Can I hold both RYCEY and KULR in my portfolio?

RYCEY and KULR have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYCEY or KULR?

KULR has higher volatility (47.09%) compared to RYCEY (11.26%). In terms of maximum drawdown, RYCEY dropped -99.07% vs KULR's -97.23%.

Which has better risk-adjusted returns?

RYCEY currently has the higher Sharpe Ratio (1.04 vs -0.57), 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.