WKEY vs. ARQQ

Last updated Jun 23, 2026

WKEY (WISeKey International Holding AG) and ARQQ (Arqit Quantum Inc.) are both stocks. Both are in the Technology sector — WKEY in Semiconductors, ARQQ in Software - Infrastructure. Over the past 3 years, WKEY returned 17.73%/yr vs -10.12%/yr for ARQQ. At a 0.24 correlation, their price movements are largely independent.

Performance

WKEY vs. ARQQ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WISeKey International Holding AG (WKEY) and Arqit Quantum Inc. (ARQQ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WKEY achieves a -1.78% return, which is significantly higher than ARQQ's -2.10% return.

WKEY

• 1D: 2.66%
• 1M: -27.13%
• YTD: -1.78%
• 6M: -15.09%
• 1Y: 22.58%
• 3Y*: 17.73%
• 5Y*: -27.29%
• 10Y*: —

ARQQ

• 1D: -12.14%
• 1M: 22.47%
• YTD: -2.10%
• 6M: -19.14%
• 1Y: -48.61%
• 3Y*: -10.12%
• 5Y*: —
• 10Y*: —

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

WKEY vs. ARQQ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
WKEY WISeKey International Holding AG	-1.78%	-13.31%	417.40%	-60.67%	-77.35%	-44.18%
ARQQ Arqit Quantum Inc.	-2.10%	-43.67%	227.76%	-86.87%	-84.93%	158.92%

Correlation

The correlation between WKEY and ARQQ is 0.55, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Sep 7, 2021	0.24

Over the past year, WKEY and ARQQ have become more correlated (0.55) than their long-term average of 0.24, meaning their price movements have been converging.

Fundamentals

Market Cap WKEY : $86.74M ARQQ : $355.16M
EPS WKEY : -$2.93 ARQQ : -$4.72
PS Ratio WKEY : 2.43 ARQQ : 239.04
PB Ratio WKEY : 1.89 ARQQ : 12.46
Total Revenue (TTM) WKEY : $31.08M ARQQ : $1.43M
Gross Profit (TTM) WKEY : $12.08M ARQQ : -$307.00K
EBITDA (TTM) WKEY : -$72.38M ARQQ : -$68.30M

Return for Risk

WKEY vs. ARQQ — Risk / Return Rank

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

WKEY

WKEY Risk / Return Rank: 52
WKEY Sharpe Ratio Rank: 50
WKEY Sortino Ratio Rank: 59
WKEY Omega Ratio Rank: 55
WKEY Calmar Ratio Rank: 50
WKEY Martin Ratio Rank: 48

ARQQ

ARQQ Risk / Return Rank: 24
ARQQ Sharpe Ratio Rank: 22
ARQQ Sortino Ratio Rank: 27
ARQQ Omega Ratio Rank: 28
ARQQ Calmar Ratio Rank: 20
ARQQ Martin Ratio Rank: 24

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.

WKEY vs. ARQQ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WISeKey International Holding AG (WKEY) and Arqit Quantum Inc. (ARQQ). 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.

	WKEY	ARQQ	Difference
Sharpe ratio: Return per unit of total volatility	0.22	-0.46	+0.68
Sortino ratio: Return per unit of downside risk	1.14	-0.17	+1.31
Omega ratio: Gain probability vs. loss probability	1.13	0.98	+0.15
Calmar ratio: Return relative to maximum drawdown	0.33	-0.61	+0.94
Martin ratio: Return relative to average drawdown	0.51	-0.89	+1.40

WKEY vs. ARQQ - Sharpe Ratio Comparison

The current WKEY Sharpe Ratio is 0.22, which is higher than the ARQQ Sharpe Ratio of -0.46. The chart below compares the historical Sharpe Ratios of WKEY and ARQQ, 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

WKEY vs. ARQQ - Drawdown Comparison

The maximum WKEY drawdown since its inception was -98.63%, roughly equal to the maximum ARQQ drawdown of -99.60%. Use the drawdown chart below to compare losses from any high point for WKEY and ARQQ.

Drawdown Indicators

	WKEY	ARQQ	Difference
Max Drawdown Largest peak-to-trough decline	-98.63%	-99.60%	+0.97%
Max Drawdown (1Y) Largest decline over 1 year	-69.33%	-79.78%	+10.45%
Max Drawdown (3Y) Largest decline over 3 years	-75.23%	-89.69%	+14.46%
Max Drawdown (5Y) Largest decline over 5 years	-96.78%	—	—
Current Drawdown Current decline from peak	-92.49%	-97.75%	+5.26%
Average Drawdown Average peak-to-trough decline	-72.53%	-88.82%	+16.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	44.71%	54.52%	-9.81%

Volatility

WKEY vs. ARQQ - Volatility Comparison

The current volatility for WISeKey International Holding AG (WKEY) is 28.70%, while Arqit Quantum Inc. (ARQQ) has a volatility of 48.51%. This indicates that WKEY experiences smaller price fluctuations and is considered to be less risky than ARQQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WKEY	ARQQ	Difference
Volatility (1M) Calculated over the trailing 1-month period	28.70%	48.51%	-19.81%
Volatility (6M) Calculated over the trailing 6-month period	60.75%	71.52%	-10.77%
Volatility (1Y) Calculated over the trailing 1-year period	103.21%	106.11%	-2.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	121.82%	135.02%	-13.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	133.10%	135.02%	-1.92%

Dividends

WKEY vs. ARQQ - Dividend Comparison

Neither WKEY nor ARQQ has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both WKEY and ARQQ in my portfolio?

WKEY and ARQQ have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WKEY or ARQQ?

ARQQ has higher volatility (48.51%) compared to WKEY (28.70%). In terms of maximum drawdown, WKEY dropped -98.63% vs ARQQ's -99.60%.

Which has better risk-adjusted returns?

WKEY currently has the higher Sharpe Ratio (0.22 vs -0.46), 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.