RR.L vs. KBGGY

Last updated Jun 9, 2026

RR.L (Rolls-Royce Holdings PLC) and KBGGY (Kongsberg Gruppen ASA) are both stocks. Both operate in the Aerospace & Defense industry within the Industrials sector. Over the past 3 years, RR.L returned 104.71%/yr vs 66.97%/yr for KBGGY. At a 0.19 correlation, their price movements are largely independent.

Performance

RR.L vs. KBGGY - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in Rolls-Royce Holdings PLC (RR.L) and Kongsberg Gruppen ASA (KBGGY). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

RR.L is traded in GBp, while KBGGY is traded in USD. To make them comparable, the KBGGY values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, RR.L achieves a 9.96% return, which is significantly lower than KBGGY's 58.41% return.

RR.L

• 1D: -0.08%
• 1M: 3.21%
• YTD: 9.96%
• 6M: 14.23%
• 1Y: 43.48%
• 3Y*: 104.71%
• 5Y*: 62.63%
• 10Y*: 20.45%

KBGGY

• 1D: 1.68%
• 1M: 1.40%
• YTD: 58.41%
• 6M: 58.87%
• 1Y: -41.39%
• 3Y*: 66.97%
• 5Y*: —
• 10Y*: —

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

RR.L vs. KBGGY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
RR.L Rolls-Royce Holdings PLC	9.96%	104.79%	89.72%	92.12%
KBGGY Kongsberg Gruppen ASA	58.41%	10.52%	169.22%	-4.72%

Correlation

The correlation between RR.L and KBGGY 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	0.19
Correlation (All Time) Calculated using the full available price history since May 22, 2023	0.19

The correlation between RR.L and KBGGY shifts across timeframes, from 0.19 (3 years) to 0.31 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RR.L vs. KBGGY — Risk / Return Rank

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

RR.L

RR.L Risk / Return Rank: 76
RR.L Sharpe Ratio Rank: 77
RR.L Sortino Ratio Rank: 74
RR.L Omega Ratio Rank: 71
RR.L Calmar Ratio Rank: 78
RR.L Martin Ratio Rank: 81

KBGGY

KBGGY Risk / Return Rank: 18
KBGGY Sharpe Ratio Rank: 12
KBGGY Sortino Ratio Rank: 16
KBGGY Omega Ratio Rank: 14
KBGGY Calmar Ratio Rank: 20
KBGGY Martin Ratio Rank: 27

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.

RR.L vs. KBGGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rolls-Royce Holdings PLC (RR.L) and Kongsberg Gruppen ASA (KBGGY). 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.

	RR.L	KBGGY	Difference
Sharpe ratio: Return per unit of total volatility	1.21	-0.68	+1.88
Sortino ratio: Return per unit of downside risk	1.88	-0.69	+2.57
Omega ratio: Gain probability vs. loss probability	1.23	0.90	+0.33
Calmar ratio: Return relative to maximum drawdown	2.27	-0.62	+2.89
Martin ratio: Return relative to average drawdown	6.34	-0.78	+7.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RR.L vs. KBGGY - Sharpe Ratio Comparison

The current RR.L Sharpe Ratio is 1.21, which is higher than the KBGGY Sharpe Ratio of -0.68. The chart below compares the historical Sharpe Ratios of RR.L and KBGGY, 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

	RR.L	KBGGY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.21	-0.68	+1.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.49	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.42	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	1.05	-0.75

Drawdowns

RR.L vs. KBGGY - Drawdown Comparison

The maximum RR.L drawdown since its inception was -90.25%, which is greater than KBGGY's maximum drawdown of -67.28%. Use the drawdown chart below to compare losses from any high point for RR.L and KBGGY.

Drawdown Indicators

	RR.L	KBGGY	Difference
Max Drawdown Largest peak-to-trough decline	-90.25%	-67.28%	-22.97%
Max Drawdown (1Y) Largest decline over 1 year	-19.04%	-67.28%	+48.24%
Max Drawdown (3Y) Largest decline over 3 years	-21.78%	-67.28%	+45.50%
Max Drawdown (5Y) Largest decline over 5 years	-55.09%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-89.41%	—	—
Current Drawdown Current decline from peak	-7.22%	-42.91%	+35.69%
Average Drawdown Average peak-to-trough decline	-28.29%	-20.17%	-8.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.84%	53.26%	-46.42%

Volatility

RR.L vs. KBGGY - Volatility Comparison

The current volatility for Rolls-Royce Holdings PLC (RR.L) is 11.59%, while Kongsberg Gruppen ASA (KBGGY) has a volatility of 13.02%. This indicates that RR.L experiences smaller price fluctuations and is considered to be less risky than KBGGY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RR.L	KBGGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.59%	13.02%	-1.43%
Volatility (6M) Calculated over the trailing 6-month period	30.80%	37.82%	-7.02%
Volatility (1Y) Calculated over the trailing 1-year period	35.96%	61.43%	-25.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.02%	61.34%	-19.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.59%	61.34%	-12.75%

Dividends

RR.L vs. KBGGY - Dividend Comparison

RR.L's dividend yield for the trailing twelve months is around 0.75%, less than KBGGY's 24.23% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KBGGY Kongsberg Gruppen ASA	24.23%	5.82%	1.18%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RR.L Rolls-Royce Holdings PLC	0.75%	0.91%	0.00%	0.00%	0.00%	0.00%	0.00%	1.71%	1.41%	0.54%	1.75%	4.06%

Financials

Frequently Asked Questions

Can I hold both RR.L and KBGGY in my portfolio?

RR.L and KBGGY 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.