PSFO vs. PSFF

Last updated Jun 24, 2026

PSFO (Pacer Swan SOS Flex (October) ETF) and PSFF (Pacer Swan SOS Fund of Funds ETF) are both exchange-traded funds - PSFO is a Options Trading fund actively managed by Pacer, while PSFF is a Defined Outcome fund actively managed by Pacer. Both are actively managed. Over the past 3 years, PSFO returned 12.39%/yr vs 12.27%/yr for PSFF. Their correlation of 0.83 suggests significant overlap in exposure. PSFO charges 0.60%/yr vs 0.75%/yr for PSFF.

Performance

PSFO vs. PSFF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pacer Swan SOS Flex (October) ETF (PSFO) and Pacer Swan SOS Fund of Funds ETF (PSFF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSFO achieves a 5.92% return, which is significantly higher than PSFF's 5.23% return.

PSFO

• 1D: -0.63%
• 1M: -0.07%
• YTD: 5.92%
• 6M: 5.46%
• 1Y: 16.06%
• 3Y*: 12.39%
• 5Y*: —
• 10Y*: —

PSFF

• 1D: -0.50%
• 1M: -0.04%
• YTD: 5.23%
• 6M: 5.10%
• 1Y: 13.59%
• 3Y*: 12.27%
• 5Y*: 9.17%
• 10Y*: —

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

PSFO vs. PSFF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PSFO Pacer Swan SOS Flex (October) ETF	5.92%	12.93%	10.78%	20.03%	-0.34%	4.84%
PSFF Pacer Swan SOS Fund of Funds ETF	5.23%	10.38%	13.18%	18.39%	-4.11%	3.67%

Correlation

The correlation between PSFO and PSFF is 0.81, 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	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (All Time) Calculated using the full available price history since Oct 1, 2021	0.83

The correlation between PSFO and PSFF has been stable across timeframes, ranging from 0.79 to 0.83 - a consistent structural relationship.

Return for Risk

PSFO vs. PSFF — Risk / Return Rank

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

PSFO

PSFO Risk / Return Rank: 76
PSFO Sharpe Ratio Rank: 75
PSFO Sortino Ratio Rank: 79
PSFO Omega Ratio Rank: 79
PSFO Calmar Ratio Rank: 68
PSFO Martin Ratio Rank: 81

PSFF

PSFF Risk / Return Rank: 82
PSFF Sharpe Ratio Rank: 78
PSFF Sortino Ratio Rank: 86
PSFF Omega Ratio Rank: 79
PSFF Calmar Ratio Rank: 77
PSFF Martin Ratio Rank: 89

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.

PSFO vs. PSFF - Risk-Adjusted Trends Comparison

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

	PSFO	PSFF	Difference
Sharpe ratio: Return per unit of total volatility	2.20	2.30	-0.11
Sortino ratio: Return per unit of downside risk	3.19	3.55	-0.36
Omega ratio: Gain probability vs. loss probability	1.42	1.43	-0.01
Calmar ratio: Return relative to maximum drawdown	3.10	3.72	-0.62
Martin ratio: Return relative to average drawdown	14.83	18.50	-3.66

PSFO vs. PSFF - Sharpe Ratio Comparison

The current PSFO Sharpe Ratio is 2.20, which is comparable to the PSFF Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of PSFO and PSFF, 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

PSFO vs. PSFF - Drawdown Comparison

The maximum PSFO drawdown since its inception was -12.09%, which is greater than PSFF's maximum drawdown of -10.78%. Use the drawdown chart below to compare losses from any high point for PSFO and PSFF.

Drawdown Indicators

	PSFO	PSFF	Difference
Max Drawdown Largest peak-to-trough decline	-12.09%	-10.78%	-1.31%
Max Drawdown (1Y) Largest decline over 1 year	-5.20%	-3.67%	-1.53%
Max Drawdown (3Y) Largest decline over 3 years	-12.09%	-10.78%	-1.31%
Max Drawdown (5Y) Largest decline over 5 years	—	-10.78%	—
Current Drawdown Current decline from peak	-0.89%	-0.79%	-0.10%
Average Drawdown Average peak-to-trough decline	-1.74%	-1.59%	-0.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.09%	0.74%	+0.35%

Volatility

PSFO vs. PSFF - Volatility Comparison

Pacer Swan SOS Flex (October) ETF (PSFO) has a higher volatility of 2.03% compared to Pacer Swan SOS Fund of Funds ETF (PSFF) at 1.71%. This indicates that PSFO's price experiences larger fluctuations and is considered to be riskier than PSFF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSFO	PSFF	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.03%	1.71%	+0.32%
Volatility (6M) Calculated over the trailing 6-month period	5.69%	4.76%	+0.93%
Volatility (1Y) Calculated over the trailing 1-year period	7.38%	5.99%	+1.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.03%	9.24%	+0.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.03%	9.08%	+0.95%

PSFO vs. PSFF - Expense Ratio Comparison

PSFO has a 0.60% expense ratio, which is lower than PSFF's 0.75% expense ratio.

Dividends

PSFO vs. PSFF - Dividend Comparison

Neither PSFO nor PSFF has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both PSFO and PSFF in my portfolio?

PSFO and PSFF have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSFO or PSFF?

PSFO has higher volatility (2.03%) compared to PSFF (1.71%). In terms of maximum drawdown, PSFO dropped -12.09% vs PSFF's -10.78%.

Which ETF is better, PSFO or PSFF?

On 3-year performance, PSFO leads with 12.39% vs 12.27% for PSFF. On fees, PSFO is cheaper at 0.60% per year. On volatility, PSFF has been the lower-risk option at 1.71%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSFO or PSFF?

Over the 3-year period, PSFO has performed better with a 12.39% return vs 12.27%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSFO or PSFF?

PSFO is cheaper with a 0.60% expense ratio, compared with 0.75% for PSFF.

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

PSFO and PSFF have nearly identical dividend yields, around 0.00%.

What is the main difference between PSFO and PSFF?

PSFO is categorized as Options Trading, while PSFF is Defined Outcome. Their fees differ too: 0.60% for PSFO and 0.75% for PSFF.

Which has better risk-adjusted returns?

PSFF currently has the higher Sharpe Ratio (2.30 vs 2.20), 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.