PSFF vs. SSO

Last updated Jun 4, 2026

PSFF (Pacer Swan SOS Fund of Funds ETF) and SSO (ProShares Ultra S&P500) are both exchange-traded funds - PSFF is a Defined Outcome fund actively managed by Pacer, while SSO is a Leveraged Equities fund tracking the S&P 500. PSFF is actively managed, while SSO is passively managed. Over the past 5 years, PSFF returned 9.43%/yr vs 19.62%/yr for SSO. Their correlation of 0.88 suggests significant overlap in exposure. PSFF charges 0.75%/yr vs 0.87%/yr for SSO.

Performance

PSFF vs. SSO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pacer Swan SOS Fund of Funds ETF (PSFF) 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, PSFF achieves a 5.72% return, which is significantly lower than SSO's 19.37% return.

PSFF

• 1D: -0.18%
• 1M: 1.85%
• YTD: 5.72%
• 6M: 6.41%
• 1Y: 14.89%
• 3Y*: 13.03%
• 5Y*: 9.43%
• 10Y*: —

SSO

• 1D: -1.40%
• 1M: 9.75%
• YTD: 19.37%
• 6M: 18.81%
• 1Y: 52.69%
• 3Y*: 37.56%
• 5Y*: 19.62%
• 10Y*: 24.21%

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

PSFF vs. SSO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
PSFF Pacer Swan SOS Fund of Funds ETF	5.72%	10.38%	13.18%	18.39%	-4.11%	11.81%	0.37%
SSO ProShares Ultra S&P500	19.37%	26.19%	43.48%	46.65%	-38.98%	60.57%	1.01%

Correlation

The correlation between PSFF and SSO is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Dec 31, 2020	0.88

The correlation between PSFF and SSO has been stable across timeframes, ranging from 0.80 to 0.88 - a consistent structural relationship.

PSFF vs. SSO - Sectors Allocation Comparison

Sectors	PSFF	SSO
Technology	36.2%	35.6%
Financial Services	11.9%	11.8%
Communication Services	10.9%	11.2%
Consumer Cyclical	10.1%	10.1%
Healthcare	8.4%	8.5%
Industrials	8.1%	8.3%
Consumer Defensive	4.9%	4.9%
Energy	3.5%	3.5%
Utilities	2.3%	2.4%
Real Estate	1.9%	1.9%
Basic Materials	1.8%	1.8%

Return for Risk

PSFF vs. SSO — Risk / Return Rank

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

PSFF

PSFF Risk / Return Rank: 82
PSFF Sharpe Ratio Rank: 76
PSFF Sortino Ratio Rank: 85
PSFF Omega Ratio Rank: 78
PSFF Calmar Ratio Rank: 80
PSFF Martin Ratio Rank: 89

SSO

SSO Risk / Return Rank: 62
SSO Sharpe Ratio Rank: 66
SSO Sortino Ratio Rank: 59
SSO Omega Ratio Rank: 60
SSO Calmar Ratio Rank: 58
SSO Martin Ratio Rank: 68

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.

PSFF vs. SSO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pacer Swan SOS Fund of Funds ETF (PSFF) 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.

	PSFF	SSO	Difference
Sharpe ratio: Return per unit of total volatility	2.49	2.25	+0.24
Sortino ratio: Return per unit of downside risk	3.82	2.86	+0.97
Omega ratio: Gain probability vs. loss probability	1.47	1.38	+0.09
Calmar ratio: Return relative to maximum drawdown	4.08	2.91	+1.16
Martin ratio: Return relative to average drawdown	20.44	12.80	+7.64
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSFF vs. SSO - Sharpe Ratio Comparison

The current PSFF Sharpe Ratio is 2.49, which is comparable to the SSO Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of PSFF 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

	PSFF	SSO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.49	2.25	+0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.03	0.59	+0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.68	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.11	0.42	+0.70

Drawdowns

PSFF vs. SSO - Drawdown Comparison

The maximum PSFF drawdown since its inception was -10.78%, smaller than the maximum SSO drawdown of -84.67%. Use the drawdown chart below to compare losses from any high point for PSFF and SSO.

Drawdown Indicators

	PSFF	SSO	Difference
Max Drawdown Largest peak-to-trough decline	-10.78%	-84.67%	+73.89%
Max Drawdown (1Y) Largest decline over 1 year	-3.67%	-18.17%	+14.50%
Max Drawdown (3Y) Largest decline over 3 years	-10.78%	-35.21%	+24.43%
Max Drawdown (5Y) Largest decline over 5 years	-10.78%	-46.73%	+35.95%
Max Drawdown (10Y) Largest decline over 10 years	—	-59.34%	—
Current Drawdown Current decline from peak	-0.18%	-1.40%	+1.22%
Average Drawdown Average peak-to-trough decline	-1.60%	-19.57%	+17.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	4.13%	-3.40%

Volatility

PSFF vs. SSO - Volatility Comparison

The current volatility for Pacer Swan SOS Fund of Funds ETF (PSFF) is 1.02%, while ProShares Ultra S&P500 (SSO) has a volatility of 5.66%. This indicates that PSFF experiences smaller price fluctuations and is considered to be less risky than SSO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSFF	SSO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.02%	5.66%	-4.64%
Volatility (6M) Calculated over the trailing 6-month period	4.54%	17.78%	-13.24%
Volatility (1Y) Calculated over the trailing 1-year period	6.08%	23.60%	-17.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.22%	33.65%	-24.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.10%	35.89%	-26.79%

PSFF vs. SSO - Expense Ratio Comparison

PSFF has a 0.75% expense ratio, which is lower than SSO's 0.87% expense ratio.

Dividends

PSFF vs. SSO - Dividend Comparison

PSFF has not paid dividends to shareholders, while SSO's dividend yield for the trailing twelve months is around 0.62%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSFF Pacer Swan SOS Fund of Funds ETF	0.00%	0.00%	0.00%	0.00%	0.01%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SSO ProShares Ultra S&P500	0.62%	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 PSFF and SSO in my portfolio?

PSFF and SSO have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSFF or SSO?

SSO has higher volatility (5.66%) compared to PSFF (1.02%). In terms of maximum drawdown, PSFF dropped -10.78% vs SSO's -84.67%.

Which ETF is better, PSFF or SSO?

On 5-year performance, SSO leads with 19.62% vs 9.43% for PSFF. On fees, PSFF is cheaper at 0.75% per year. On volatility, PSFF has been the lower-risk option at 1.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSFF or SSO?

Over the 5-year period, SSO has performed better with a 19.62% return vs 9.43%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSFF or SSO?

PSFF is cheaper with a 0.75% expense ratio, compared with 0.87% for SSO.

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

SSO has the higher dividend yield at 0.62%, compared with 0.00% for PSFF.

What is the main difference between PSFF and SSO?

PSFF is categorized as Defined Outcome, while SSO is Leveraged Equities. They also come from different issuers: Pacer and ProShares. Their fees differ too: 0.75% for PSFF and 0.87% for SSO.

Which has better risk-adjusted returns?

PSFF currently has the higher Sharpe Ratio (2.49 vs 2.25), 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.