SKYU vs. SSO

Last updated Jun 3, 2026

SKYU (ProShares Ultra Nasdaq Cloud Computing ETF) and SSO (ProShares Ultra S&P500) are both Leveraged Equities funds from ProShares - SKYU tracks the ISE Cloud Computing Index (200%) while SSO tracks the S&P 500. Both are passively managed. Over the past 5 years, SKYU returned 4.20%/yr vs 20.39%/yr for SSO. A 0.74 correlation means they provide meaningful diversification when combined. SKYU charges 0.95%/yr vs 0.87%/yr for SSO.

Performance

SKYU vs. SSO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Ultra Nasdaq Cloud Computing ETF (SKYU) and ProShares Ultra S&P500 (SSO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SKYU achieves a 29.06% return, which is significantly higher than SSO's 21.07% return.

SKYU

• 1D: -2.86%
• 1M: 48.96%
• YTD: 29.06%
• 6M: 26.06%
• 1Y: 54.01%
• 3Y*: 41.36%
• 5Y*: 4.20%
• 10Y*: —

SSO

• 1D: 0.27%
• 1M: 10.52%
• YTD: 21.07%
• 6M: 21.28%
• 1Y: 56.67%
• 3Y*: 38.21%
• 5Y*: 20.39%
• 10Y*: 24.38%

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

SKYU vs. SSO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SKYU ProShares Ultra Nasdaq Cloud Computing ETF	29.06%	2.76%	65.79%	105.76%	-75.95%	7.15%
SSO ProShares Ultra S&P500	21.07%	26.19%	43.48%	46.65%	-38.98%	52.28%

Correlation

The correlation between SKYU and SSO is 0.62, 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	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.75
Correlation (All Time) Calculated using the full available price history since Jan 22, 2021	0.74

The correlation between SKYU and SSO shifts across timeframes, from 0.62 (1 year) to 0.75 (5 years), reflecting how their relationship changes across market environments.

SKYU vs. SSO - Sectors Allocation Comparison

Sectors	SKYU	SSO
Technology	51.5%	35.6%
Communication Services	4.7%	11.2%
Industrials	2.5%	8.3%
Consumer Cyclical	2.4%	10.1%
Healthcare	0.3%	8.5%
Basic Materials	-	1.8%
Consumer Defensive	-	4.9%
Energy	-	3.5%
Financial Services	-	11.8%
Real Estate	-	1.9%
Utilities	-	2.4%

Return for Risk

SKYU vs. SSO — Risk / Return Rank

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

SKYU

SKYU Risk / Return Rank: 26
SKYU Sharpe Ratio Rank: 27
SKYU Sortino Ratio Rank: 30
SKYU Omega Ratio Rank: 29
SKYU Calmar Ratio Rank: 24
SKYU Martin Ratio Rank: 20

SSO

SSO Risk / Return Rank: 68
SSO Sharpe Ratio Rank: 73
SSO Sortino Ratio Rank: 65
SSO Omega Ratio Rank: 66
SSO Calmar Ratio Rank: 64
SSO Martin Ratio Rank: 73

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.

SKYU vs. SSO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Nasdaq Cloud Computing ETF (SKYU) and ProShares Ultra S&P500 (SSO). 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.

	SKYU	SSO	Difference
Sharpe ratio Return per unit of total volatility	0.98	2.42	-1.44
Sortino ratio Return per unit of downside risk	1.61	3.03	-1.43
Omega ratio Gain probability vs. loss probability	1.20	1.40	-0.21
Calmar ratio Return relative to maximum drawdown	1.11	3.21	-2.10
Martin ratio Return relative to average drawdown	2.34	14.14	-11.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SKYU vs. SSO - Sharpe Ratio Comparison

The current SKYU Sharpe Ratio is 0.98, which is lower than the SSO Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of SKYU and SSO, 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

	SKYU	SSO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.98	2.42	-1.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	0.61	-0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.68	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.42	-0.37

Drawdowns

SKYU vs. SSO - Drawdown Comparison

The maximum SKYU drawdown since its inception was -83.01%, roughly equal to the maximum SSO drawdown of -84.67%. Use the drawdown chart below to compare losses from any high point for SKYU and SSO.

Drawdown Indicators

	SKYU	SSO	Difference
Max Drawdown Largest peak-to-trough decline	-83.01%	-84.67%	+1.66%
Max Drawdown (1Y) Largest decline over 1 year	-50.23%	-18.17%	-32.06%
Max Drawdown (3Y) Largest decline over 3 years	-55.71%	-35.21%	-20.50%
Max Drawdown (5Y) Largest decline over 5 years	-83.01%	-46.73%	-36.28%
Max Drawdown (10Y) Largest decline over 10 years	—	-59.34%	—
Current Drawdown Current decline from peak	-16.89%	0.00%	-16.89%
Average Drawdown Average peak-to-trough decline	-49.20%	-19.57%	-29.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.87%	4.13%	+19.74%

Volatility

SKYU vs. SSO - Volatility Comparison

ProShares Ultra Nasdaq Cloud Computing ETF (SKYU) has a higher volatility of 21.37% compared to ProShares Ultra S&P500 (SSO) at 5.46%. This indicates that SKYU's price experiences larger fluctuations and is considered to be riskier than SSO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SKYU	SSO	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.37%	5.46%	+15.91%
Volatility (6M) Calculated over the trailing 6-month period	46.22%	17.74%	+28.48%
Volatility (1Y) Calculated over the trailing 1-year period	55.51%	23.57%	+31.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.82%	33.65%	+28.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.09%	35.90%	+25.19%

SKYU vs. SSO - Expense Ratio Comparison

SKYU has a 0.95% expense ratio, which is higher than SSO's 0.87% expense ratio.

Dividends

SKYU vs. SSO - Dividend Comparison

SKYU's dividend yield for the trailing twelve months is around 0.54%, less than SSO's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SKYU ProShares Ultra Nasdaq Cloud Computing ETF	0.54%	0.56%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SSO ProShares Ultra S&P500	0.61%	0.68%	0.85%	0.18%	0.50%	0.18%	0.20%	0.50%	0.75%	0.39%	0.51%	0.63%

Frequently Asked Questions

Can I hold both SKYU and SSO in my portfolio?

SKYU and SSO have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SKYU or SSO?

SKYU has higher volatility (21.37%) compared to SSO (5.46%). In terms of maximum drawdown, SKYU dropped -83.01% vs SSO's -84.67%.

Which ETF is better, SKYU or SSO?

On 5-year performance, SSO leads with 20.39% vs 4.20% for SKYU. On fees, SSO is cheaper at 0.87% per year. On volatility, SSO has been the lower-risk option at 5.46%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SKYU or SSO?

Over the 5-year period, SSO has performed better with a 20.39% return vs 4.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SKYU or SSO?

SSO is cheaper with a 0.87% expense ratio, compared with 0.95% for SKYU.

Which ETF pays a higher dividend yield, SKYU or SSO?

SSO has the higher dividend yield at 0.61%, compared with 0.54% for SKYU.

What is the main difference between SKYU and SSO?

SKYU tracks ISE Cloud Computing Index (200%), while SSO tracks S&P 500. Their fees differ too: 0.95% for SKYU and 0.87% for SSO.

Which has better risk-adjusted returns?

SSO currently has the higher Sharpe Ratio (2.42 vs 0.98), 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.