UFO vs. SKYY

Last updated Jun 13, 2026

UFO (Procure Space ETF) and SKYY (First Trust ISE Cloud Computing Index Fund) are both exchange-traded funds - UFO is a Global Equities fund tracking the S-Network Space Index, while SKYY is a Technology Equities fund tracking the ISE Cloud Computing Index. Both are passively managed. Over the past 5 years, UFO returned 13.50%/yr vs 5.69%/yr for SKYY. A 0.60 correlation means they provide meaningful diversification when combined. UFO charges 0.75%/yr vs 0.60%/yr for SKYY.

Performance

UFO vs. SKYY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Procure Space ETF (UFO) 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, UFO achieves a 36.92% return, which is significantly higher than SKYY's 3.03% return.

UFO

• 1D: -6.99%
• 1M: -6.10%
• YTD: 36.92%
• 6M: 37.68%
• 1Y: 104.39%
• 3Y*: 41.51%
• 5Y*: 13.50%
• 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)

UFO vs. SKYY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
UFO Procure Space ETF	36.92%	67.36%	27.22%	-2.34%	-25.85%	7.17%	-2.15%	5.66%
SKYY First Trust ISE Cloud Computing Index Fund	3.03%	9.20%	35.87%	52.18%	-44.68%	10.62%	57.77%	2.26%

Correlation

The correlation between UFO and SKYY is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (All Time) Calculated using the full available price history since Apr 11, 2019	0.60

The correlation between UFO and SKYY shifts across timeframes, from 0.47 (1 year) to 0.63 (5 years), reflecting how their relationship changes across market environments.

UFO vs. SKYY - Sectors Allocation Comparison

Sectors	UFO	SKYY
Industrials	47.2%	1.6%
Communication Services	30.8%	4.8%
Technology	22.0%	88.9%
Basic Materials	-	-
Consumer Cyclical	-	1.6%
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	1.6%
Real Estate	-	-
Utilities	-	-

Return for Risk

UFO vs. SKYY — Risk / Return Rank

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

UFO

UFO Risk / Return Rank: 83
UFO Sharpe Ratio Rank: 89
UFO Sortino Ratio Rank: 80
UFO Omega Ratio Rank: 73
UFO Calmar Ratio Rank: 89
UFO Martin Ratio Rank: 82

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.

UFO vs. SKYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Procure Space ETF (UFO) 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.

	UFO	SKYY	Difference
Sharpe ratio: Return per unit of total volatility	2.58	0.49	+2.09
Sortino ratio: Return per unit of downside risk	3.06	0.89	+2.18
Omega ratio: Gain probability vs. loss probability	1.37	1.11	+0.27
Calmar ratio: Return relative to maximum drawdown	4.58	0.51	+4.06
Martin ratio: Return relative to average drawdown	14.05	1.13	+12.91

UFO vs. SKYY - Sharpe Ratio Comparison

The current UFO Sharpe Ratio is 2.58, which is higher than the SKYY Sharpe Ratio of 0.49. The chart below compares the historical Sharpe Ratios of UFO 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

UFO vs. SKYY - Drawdown Comparison

The maximum UFO drawdown since its inception was -50.33%, smaller than the maximum SKYY drawdown of -53.20%. Use the drawdown chart below to compare losses from any high point for UFO and SKYY.

Drawdown Indicators

	UFO	SKYY	Difference
Max Drawdown Largest peak-to-trough decline	-50.33%	-53.20%	+2.87%
Max Drawdown (1Y) Largest decline over 1 year	-22.94%	-27.39%	+4.45%
Max Drawdown (3Y) Largest decline over 3 years	-25.91%	-31.80%	+5.89%
Max Drawdown (5Y) Largest decline over 5 years	-50.33%	-53.20%	+2.87%
Max Drawdown (10Y) Largest decline over 10 years	—	-53.20%	—
Current Drawdown Current decline from peak	-21.95%	-13.63%	-8.32%
Average Drawdown Average peak-to-trough decline	-21.80%	-10.90%	-10.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.46%	12.34%	-4.88%

Volatility

UFO vs. SKYY - Volatility Comparison

Procure Space ETF (UFO) has a higher volatility of 20.43% compared to First Trust ISE Cloud Computing Index Fund (SKYY) at 13.09%. This indicates that UFO's price experiences larger fluctuations and is considered to be riskier than SKYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UFO	SKYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.43%	13.09%	+7.34%
Volatility (6M) Calculated over the trailing 6-month period	34.11%	23.88%	+10.23%
Volatility (1Y) Calculated over the trailing 1-year period	40.69%	28.45%	+12.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.59%	30.67%	-0.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.16%	26.90%	+4.26%

UFO vs. SKYY - Expense Ratio Comparison

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

Dividends

UFO vs. SKYY - Dividend Comparison

UFO's dividend yield for the trailing twelve months is around 0.31%, while SKYY has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
UFO Procure Space ETF	0.31%	0.46%	1.98%	1.90%	3.19%	1.00%	1.07%	0.45%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UFO and SKYY in my portfolio?

UFO and SKYY have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UFO or SKYY?

UFO has higher volatility (20.43%) compared to SKYY (13.09%). In terms of maximum drawdown, UFO dropped -50.33% vs SKYY's -53.20%.

Which ETF is better, UFO or SKYY?

On 5-year performance, UFO leads with 13.50% vs 5.69% for SKYY. On fees, SKYY is cheaper at 0.60% per year. On volatility, SKYY has been the lower-risk option at 13.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, UFO or SKYY?

Over the 5-year period, UFO has performed better with a 13.50% return vs 5.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, UFO or SKYY?

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

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

UFO has the higher dividend yield at 0.31%, compared with 0.00% for SKYY.

What is the main difference between UFO and SKYY?

UFO is categorized as Global Equities, while SKYY is Technology Equities. UFO tracks S-Network Space Index, while SKYY tracks ISE Cloud Computing Index. They also come from different issuers: ProcureAM and First Trust. Their fees differ too: 0.75% for UFO and 0.60% for SKYY.

Which has better risk-adjusted returns?

UFO currently has the higher Sharpe Ratio (2.58 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.