ARKX vs. SKYY

Last updated Jun 13, 2026

ARKX (ARK Space Exploration & Innovation ETF) and SKYY (First Trust ISE Cloud Computing Index Fund) are both exchange-traded funds - ARKX is a Aerospace & Defense fund actively managed by ARK, while SKYY is a Technology Equities fund tracking the ISE Cloud Computing Index. ARKX is actively managed, while SKYY is passively managed. Over the past 5 years, ARKX returned 10.38%/yr vs 5.69%/yr for SKYY. A 0.74 correlation means they provide meaningful diversification when combined. ARKX charges 0.75%/yr vs 0.60%/yr for SKYY.

Performance

ARKX vs. SKYY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Space Exploration & Innovation ETF (ARKX) and First Trust ISE Cloud Computing Index Fund (SKYY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKX achieves a 16.56% return, which is significantly higher than SKYY's 3.03% return.

ARKX

• 1D: -1.94%
• 1M: -2.96%
• YTD: 16.56%
• 6M: 17.78%
• 1Y: 52.99%
• 3Y*: 31.55%
• 5Y*: 10.38%
• 10Y*: —

SKYY

• 1D: 0.18%
• 1M: 6.69%
• YTD: 3.03%
• 6M: 1.79%
• 1Y: 13.95%
• 3Y*: 20.38%
• 5Y*: 5.69%
• 10Y*: 16.26%

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

ARKX vs. SKYY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ARKX ARK Space Exploration & Innovation ETF	16.56%	48.46%	26.67%	24.37%	-34.27%	-8.05%
SKYY First Trust ISE Cloud Computing Index Fund	3.03%	9.20%	35.87%	52.18%	-44.68%	11.33%

Correlation

The correlation between ARKX and SKYY is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (All Time) Calculated using the full available price history since Mar 30, 2021	0.74

Over the past year, the correlation between ARKX and SKYY has dropped to 0.48 - well below their long-term average of 0.74, suggesting their price drivers have been diverging.

ARKX vs. SKYY - Sectors Allocation Comparison

Sectors	ARKX	SKYY
Industrials	55.7%	1.6%
Technology	27.4%	88.9%
Consumer Cyclical	7.8%	1.6%
Communication Services	7.6%	4.8%
Healthcare	1.5%	1.6%
Basic Materials	0.0%	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

ARKX vs. SKYY — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 51
ARKX Sharpe Ratio Rank: 53
ARKX Sortino Ratio Rank: 50
ARKX Omega Ratio Rank: 45
ARKX Calmar Ratio Rank: 60
ARKX Martin Ratio Rank: 47

SKYY

SKYY Risk / Return Rank: 17
SKYY Sharpe Ratio Rank: 18
SKYY Sortino Ratio Rank: 19
SKYY Omega Ratio Rank: 18
SKYY Calmar Ratio Rank: 16
SKYY Martin Ratio Rank: 15

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.

ARKX vs. SKYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and First Trust ISE Cloud Computing Index Fund (SKYY). 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.

	ARKX	SKYY	Difference
Sharpe ratio: Return per unit of total volatility	1.59	0.49	+1.10
Sortino ratio: Return per unit of downside risk	2.15	0.89	+1.27
Omega ratio: Gain probability vs. loss probability	1.26	1.11	+0.15
Calmar ratio: Return relative to maximum drawdown	2.61	0.51	+2.10
Martin ratio: Return relative to average drawdown	6.87	1.13	+5.74

ARKX vs. SKYY - Sharpe Ratio Comparison

The current ARKX Sharpe Ratio is 1.59, which is higher than the SKYY Sharpe Ratio of 0.49. The chart below compares the historical Sharpe Ratios of ARKX and SKYY, 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

ARKX vs. SKYY - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, smaller than the maximum SKYY drawdown of -53.20%. Use the drawdown chart below to compare losses from any high point for ARKX and SKYY.

Drawdown Indicators

	ARKX	SKYY	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-53.20%	+9.59%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-27.39%	+6.97%
Max Drawdown (3Y) Largest decline over 3 years	-25.47%	-31.80%	+6.33%
Max Drawdown (5Y) Largest decline over 5 years	-43.61%	-53.20%	+9.59%
Max Drawdown (10Y) Largest decline over 10 years	—	-53.20%	—
Current Drawdown Current decline from peak	-10.49%	-13.63%	+3.14%
Average Drawdown Average peak-to-trough decline	-19.92%	-10.90%	-9.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.74%	12.34%	-4.60%

Volatility

ARKX vs. SKYY - Volatility Comparison

ARK Space Exploration & Innovation ETF (ARKX) and First Trust ISE Cloud Computing Index Fund (SKYY) have volatilities of 12.77% and 13.09%, 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

	ARKX	SKYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.77%	13.09%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	26.51%	23.88%	+2.63%
Volatility (1Y) Calculated over the trailing 1-year period	33.50%	28.45%	+5.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.02%	30.67%	-2.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.65%	26.90%	+0.75%

ARKX vs. SKYY - Expense Ratio Comparison

ARKX has a 0.75% expense ratio, which is higher than SKYY's 0.60% expense ratio.

Dividends

ARKX vs. SKYY - Dividend Comparison

Neither ARKX nor SKYY has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKX ARK Space Exploration & Innovation ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SKYY First Trust ISE Cloud Computing Index Fund	0.00%	0.00%	0.00%	0.00%	0.23%	0.78%	0.17%	0.54%	0.37%	0.27%	0.35%	0.41%

Frequently Asked Questions

Can I hold both ARKX and SKYY in my portfolio?

ARKX and SKYY have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARKX or SKYY?

SKYY has higher volatility (13.09%) compared to ARKX (12.77%). In terms of maximum drawdown, ARKX dropped -43.61% vs SKYY's -53.20%.

Which ETF is better, ARKX or SKYY?

On 5-year performance, ARKX leads with 10.38% vs 5.69% for SKYY. On fees, SKYY is cheaper at 0.60% per year. On volatility, ARKX has been the lower-risk option at 12.77%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKX or SKYY?

Over the 5-year period, ARKX has performed better with a 10.38% return vs 5.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKX or SKYY?

SKYY is cheaper with a 0.60% expense ratio, compared with 0.75% for ARKX.

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

ARKX and SKYY have nearly identical dividend yields, around 0.00%.

What is the main difference between ARKX and SKYY?

ARKX is categorized as Aerospace & Defense, while SKYY is Technology Equities. They also come from different issuers: ARK and First Trust. Their fees differ too: 0.75% for ARKX and 0.60% for SKYY.

Which has better risk-adjusted returns?

ARKX currently has the higher Sharpe Ratio (1.59 vs 0.49), 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.