EUAD vs. ARKX

Last updated Jun 4, 2026

EUAD (Select STOXX Europe Aerospace & Defense ETF) and ARKX (ARK Space Exploration & Innovation ETF) are both Aerospace & Defense funds. EUAD is passively managed, while ARKX is actively managed. Over the past year, EUAD returned -3.68% vs 69.46% for ARKX. At a 0.43 correlation, their price movements are largely independent. EUAD charges 0.50%/yr vs 0.75%/yr for ARKX.

Performance

EUAD vs. ARKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Select STOXX Europe Aerospace & Defense ETF (EUAD) and ARK Space Exploration & Innovation ETF (ARKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EUAD achieves a -5.41% return, which is significantly lower than ARKX's 23.67% return.

EUAD

• 1D: -1.53%
• 1M: -1.14%
• YTD: -5.41%
• 6M: -1.74%
• 1Y: -3.68%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ARKX

• 1D: -2.24%
• 1M: 10.24%
• YTD: 23.67%
• 6M: 28.83%
• 1Y: 69.46%
• 3Y*: 36.41%
• 5Y*: 11.53%
• 10Y*: —

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

EUAD vs. ARKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
EUAD Select STOXX Europe Aerospace & Defense ETF	-5.41%	74.51%	-3.62%
ARKX ARK Space Exploration & Innovation ETF	23.67%	48.46%	17.59%

Correlation

The correlation between EUAD and ARKX is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (All Time) Calculated using the full available price history since Oct 23, 2024	0.43

EUAD vs. ARKX - Sectors Allocation Comparison

Sectors	EUAD	ARKX
Industrials	99.4%	55.7%
Healthcare	0.1%	1.5%
Basic Materials	-	0.0%
Communication Services	-	7.6%
Consumer Cyclical	-	7.8%
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Real Estate	-	-
Technology	-	27.4%
Utilities	-	-

Return for Risk

EUAD vs. ARKX — Risk / Return Rank

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

EUAD

EUAD Risk / Return Rank: 7
EUAD Sharpe Ratio Rank: 7
EUAD Sortino Ratio Rank: 7
EUAD Omega Ratio Rank: 7
EUAD Calmar Ratio Rank: 7
EUAD Martin Ratio Rank: 7

ARKX

ARKX Risk / Return Rank: 58
ARKX Sharpe Ratio Rank: 63
ARKX Sortino Ratio Rank: 56
ARKX Omega Ratio Rank: 51
ARKX Calmar Ratio Rank: 68
ARKX Martin Ratio Rank: 53

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.

EUAD vs. ARKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Select STOXX Europe Aerospace & Defense ETF (EUAD) and ARK Space Exploration & Innovation ETF (ARKX). 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.

	EUAD	ARKX	Difference
Sharpe ratio: Return per unit of total volatility	-0.13	2.15	-2.28
Sortino ratio: Return per unit of downside risk	0.02	2.75	-2.72
Omega ratio: Gain probability vs. loss probability	1.00	1.33	-0.32
Calmar ratio: Return relative to maximum drawdown	-0.17	3.42	-3.59
Martin ratio: Return relative to average drawdown	-0.41	9.20	-9.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EUAD vs. ARKX - Sharpe Ratio Comparison

The current EUAD Sharpe Ratio is -0.13, which is lower than the ARKX Sharpe Ratio of 2.15. The chart below compares the historical Sharpe Ratios of EUAD and ARKX, 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

	EUAD	ARKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.13	2.15	-2.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.42	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.13	0.43	+0.71

Drawdowns

EUAD vs. ARKX - Drawdown Comparison

The maximum EUAD drawdown since its inception was -22.04%, smaller than the maximum ARKX drawdown of -43.61%. Use the drawdown chart below to compare losses from any high point for EUAD and ARKX.

Drawdown Indicators

	EUAD	ARKX	Difference
Max Drawdown Largest peak-to-trough decline	-22.04%	-43.61%	+21.57%
Max Drawdown (1Y) Largest decline over 1 year	-22.04%	-20.42%	-1.62%
Max Drawdown (3Y) Largest decline over 3 years	—	-25.47%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-43.61%	—
Current Drawdown Current decline from peak	-17.46%	-5.03%	-12.43%
Average Drawdown Average peak-to-trough decline	-5.62%	-19.99%	+14.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.99%	7.57%	+1.42%

Volatility

EUAD vs. ARKX - Volatility Comparison

Select STOXX Europe Aerospace & Defense ETF (EUAD) and ARK Space Exploration & Innovation ETF (ARKX) have volatilities of 11.32% and 11.01%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EUAD	ARKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.32%	11.01%	+0.31%
Volatility (6M) Calculated over the trailing 6-month period	24.20%	25.01%	-0.81%
Volatility (1Y) Calculated over the trailing 1-year period	29.14%	32.49%	-3.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.84%	27.72%	+2.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.84%	27.42%	+2.42%

EUAD vs. ARKX - Expense Ratio Comparison

EUAD has a 0.50% expense ratio, which is lower than ARKX's 0.75% expense ratio.

Dividends

EUAD vs. ARKX - Dividend Comparison

EUAD's dividend yield for the trailing twelve months is around 0.42%, while ARKX has not paid dividends to shareholders.

Position	TTM	2025	2024
ARKX ARK Space Exploration & Innovation ETF	0.00%	0.00%	0.00%
EUAD Select STOXX Europe Aerospace & Defense ETF	0.42%	0.40%	0.10%

Frequently Asked Questions

Can I hold both EUAD and ARKX in my portfolio?

EUAD and ARKX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EUAD or ARKX?

EUAD has higher volatility (11.32%) compared to ARKX (11.01%). In terms of maximum drawdown, EUAD dropped -22.04% vs ARKX's -43.61%.

Which ETF is better, EUAD or ARKX?

On 1-year performance, ARKX leads with 69.46% vs -3.68% for EUAD. On fees, EUAD is cheaper at 0.50% per year. On volatility, ARKX has been the lower-risk option at 11.01%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, EUAD or ARKX?

Over the 1-year period, ARKX has performed better with a 69.46% return vs -3.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, EUAD or ARKX?

EUAD is cheaper with a 0.50% expense ratio, compared with 0.75% for ARKX.

Which ETF pays a higher dividend yield, EUAD or ARKX?

EUAD has the higher dividend yield at 0.42%, compared with 0.00% for ARKX.

What is the main difference between EUAD and ARKX?

They also come from different issuers: Select Funds and ARK. Their fees differ too: 0.50% for EUAD and 0.75% for ARKX.

Which has better risk-adjusted returns?

ARKX currently has the higher Sharpe Ratio (2.15 vs -0.13), 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.