KEYS.L vs. ASME.DE

Last updated Jun 5, 2026

KEYS.L (Keystone Law Group plc) and ASME.DE (ASML Holding NV) are both stocks. KEYS.L operates in Specialty Business Services (Industrials), while ASME.DE operates in Semiconductor Equipment & Materials (Technology). Over the past 5 years, KEYS.L returned 1.85%/yr vs 23.08%/yr for ASME.DE. At a 0.06 correlation, their price movements are largely independent.

Performance

KEYS.L vs. ASME.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in Keystone Law Group plc (KEYS.L) and ASML Holding NV (ASME.DE). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

KEYS.L is traded in GBp, while ASME.DE is traded in EUR. To make them comparable, the ASME.DE values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, KEYS.L achieves a -9.71% return, which is significantly lower than ASME.DE's 61.39% return.

KEYS.L

• 1D: 0.22%
• 1M: 3.90%
• YTD: -9.71%
• 6M: -10.28%
• 1Y: -1.72%
• 3Y*: 13.51%
• 5Y*: 1.85%
• 10Y*: —

ASME.DE

• 1D: 1.12%
• 1M: 14.95%
• YTD: 61.39%
• 6M: 56.01%
• 1Y: 134.70%
• 3Y*: 31.49%
• 5Y*: 23.08%
• 10Y*: 35.20%

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

KEYS.L vs. ASME.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KEYS.L Keystone Law Group plc	-9.71%	15.67%	15.80%	23.41%	-44.64%	68.06%	-3.77%	54.72%	88.47%	-0.26%
ASME.DE ASML Holding NV	61.39%	44.57%	-4.73%	33.80%	-24.32%	68.51%	59.54%	86.69%	-3.95%	-6.73%

Correlation

The correlation between KEYS.L and ASME.DE is 0.10, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.07
Correlation (5Y) Calculated over the trailing 5-year period	0.05
Correlation (All Time) Calculated using the full available price history since Nov 28, 2017	0.06

Return for Risk

KEYS.L vs. ASME.DE — Risk / Return Rank

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

KEYS.L

KEYS.L Risk / Return Rank: 36
KEYS.L Sharpe Ratio Rank: 38
KEYS.L Sortino Ratio Rank: 32
KEYS.L Omega Ratio Rank: 32
KEYS.L Calmar Ratio Rank: 40
KEYS.L Martin Ratio Rank: 39

ASME.DE

ASME.DE Risk / Return Rank: 94
ASME.DE Sharpe Ratio Rank: 95
ASME.DE Sortino Ratio Rank: 93
ASME.DE Omega Ratio Rank: 92
ASME.DE Calmar Ratio Rank: 96
ASME.DE Martin Ratio Rank: 96

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.

KEYS.L vs. ASME.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Keystone Law Group plc (KEYS.L) and ASML Holding NV (ASME.DE). 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.

	KEYS.L	ASME.DE	Difference
Sharpe ratio: Return per unit of total volatility	-0.07	3.51	-3.58
Sortino ratio: Return per unit of downside risk	0.08	3.86	-3.77
Omega ratio: Gain probability vs. loss probability	1.01	1.51	-0.50
Calmar ratio: Return relative to maximum drawdown	-0.05	8.93	-8.98
Martin ratio: Return relative to average drawdown	-0.12	22.21	-22.33
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KEYS.L vs. ASME.DE - Sharpe Ratio Comparison

The current KEYS.L Sharpe Ratio is -0.07, which is lower than the ASME.DE Sharpe Ratio of 3.51. The chart below compares the historical Sharpe Ratios of KEYS.L and ASME.DE, 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

	KEYS.L	ASME.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.07	3.51	-3.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.06	0.61	-0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.00	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.80	-0.25

Drawdowns

KEYS.L vs. ASME.DE - Drawdown Comparison

The maximum KEYS.L drawdown since its inception was -53.52%, which is greater than ASME.DE's maximum drawdown of -49.83%. Use the drawdown chart below to compare losses from any high point for KEYS.L and ASME.DE.

Drawdown Indicators

	KEYS.L	ASME.DE	Difference
Max Drawdown Largest peak-to-trough decline	-53.52%	-49.83%	-3.69%
Max Drawdown (1Y) Largest decline over 1 year	-35.02%	-15.16%	-19.86%
Max Drawdown (3Y) Largest decline over 3 years	-35.02%	-43.62%	+8.60%
Max Drawdown (5Y) Largest decline over 5 years	-53.52%	-46.28%	-7.24%
Max Drawdown (10Y) Largest decline over 10 years	—	-46.28%	—
Current Drawdown Current decline from peak	-24.63%	0.00%	-24.63%
Average Drawdown Average peak-to-trough decline	-20.80%	-11.68%	-9.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.93%	6.11%	+8.82%

Volatility

KEYS.L vs. ASME.DE - Volatility Comparison

The current volatility for Keystone Law Group plc (KEYS.L) is 6.45%, while ASML Holding NV (ASME.DE) has a volatility of 13.21%. This indicates that KEYS.L experiences smaller price fluctuations and is considered to be less risky than ASME.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KEYS.L	ASME.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.45%	13.21%	-6.76%
Volatility (6M) Calculated over the trailing 6-month period	19.33%	29.54%	-10.21%
Volatility (1Y) Calculated over the trailing 1-year period	24.79%	38.56%	-13.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.97%	37.68%	-8.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.67%	35.14%	-3.47%

Dividends

KEYS.L vs. ASME.DE - Dividend Comparison

KEYS.L's dividend yield for the trailing twelve months is around 9.80%, more than ASME.DE's 0.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ASME.DE ASML Holding NV	0.50%	0.71%	0.92%	0.87%	1.27%	0.47%	0.64%	1.19%	1.02%	0.82%	0.99%	0.84%
KEYS.L Keystone Law Group plc	9.80%	5.83%	3.26%	5.73%	6.00%	1.82%	1.31%	3.33%	0.94%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both KEYS.L and ASME.DE in my portfolio?

KEYS.L and ASME.DE have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.