PSFO vs. IVVB

Last updated Jun 4, 2026

PSFO (Pacer Swan SOS Flex (October) ETF) and IVVB (iShares Large Cap Deep Buffer ETF) are both Options Trading funds. Both are actively managed. Over the past year, PSFO returned 17.64% vs 14.57% for IVVB. Their correlation of 0.85 suggests significant overlap in exposure. PSFO charges 0.60%/yr vs 0.50%/yr for IVVB.

Performance

PSFO vs. IVVB - Performance Comparison

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

Returns By Period

In the year-to-date period, PSFO achieves a 6.62% return, which is significantly higher than IVVB's 4.57% return.

PSFO

• 1D: -0.19%
• 1M: 2.42%
• YTD: 6.62%
• 6M: 7.21%
• 1Y: 17.64%
• 3Y*: 13.19%
• 5Y*: —
• 10Y*: —

IVVB

• 1D: -0.14%
• 1M: 1.91%
• YTD: 4.57%
• 6M: 4.37%
• 1Y: 14.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PSFO vs. IVVB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
PSFO Pacer Swan SOS Flex (October) ETF	6.62%	12.93%	10.78%	5.64%
IVVB iShares Large Cap Deep Buffer ETF	4.57%	9.60%	18.66%	2.60%

Correlation

The correlation between PSFO and IVVB is 0.89, 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	0.89
Correlation (All Time) Calculated using the full available price history since Jul 3, 2023	0.85

The correlation between PSFO and IVVB has been stable across timeframes, ranging from 0.85 to 0.89 - a consistent structural relationship.

PSFO vs. IVVB - Sectors Allocation Comparison

Sectors	PSFO	IVVB
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

PSFO vs. IVVB — Risk / Return Rank

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

PSFO

PSFO Risk / Return Rank: 77
PSFO Sharpe Ratio Rank: 75
PSFO Sortino Ratio Rank: 79
PSFO Omega Ratio Rank: 80
PSFO Calmar Ratio Rank: 69
PSFO Martin Ratio Rank: 83

IVVB

IVVB Risk / Return Rank: 58
IVVB Sharpe Ratio Rank: 59
IVVB Sortino Ratio Rank: 59
IVVB Omega Ratio Rank: 63
IVVB Calmar Ratio Rank: 51
IVVB Martin Ratio Rank: 61

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. IVVB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pacer Swan SOS Flex (October) ETF (PSFO) and iShares Large Cap Deep Buffer ETF (IVVB). 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.

	PSFO	IVVB	Difference
Sharpe ratio Return per unit of total volatility	2.43	2.02	+0.42
Sortino ratio Return per unit of downside risk	3.54	2.82	+0.72
Omega ratio Gain probability vs. loss probability	1.48	1.39	+0.09
Calmar ratio Return relative to maximum drawdown	3.41	2.55	+0.86
Martin ratio Return relative to average drawdown	16.51	10.94	+5.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSFO vs. IVVB - Sharpe Ratio Comparison

The current PSFO Sharpe Ratio is 2.43, which is comparable to the IVVB Sharpe Ratio of 2.02. The chart below compares the historical Sharpe Ratios of PSFO and IVVB, 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

	PSFO	IVVB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.43	2.02	+0.42
Sharpe Ratio (All Time) Calculated using the full available price history	1.16	1.31	-0.15

Drawdowns

PSFO vs. IVVB - Drawdown Comparison

The maximum PSFO drawdown since its inception was -12.09%, smaller than the maximum IVVB drawdown of -13.08%. Use the drawdown chart below to compare losses from any high point for PSFO and IVVB.

Drawdown Indicators

	PSFO	IVVB	Difference
Max Drawdown Largest peak-to-trough decline	-12.09%	-13.08%	+0.99%
Max Drawdown (1Y) Largest decline over 1 year	-5.20%	-5.75%	+0.55%
Max Drawdown (3Y) Largest decline over 3 years	-12.09%	—	—
Current Drawdown Current decline from peak	-0.19%	-0.15%	-0.04%
Average Drawdown Average peak-to-trough decline	-1.75%	-1.61%	-0.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.07%	1.34%	-0.27%

Volatility

PSFO vs. IVVB - Volatility Comparison

Pacer Swan SOS Flex (October) ETF (PSFO) has a higher volatility of 1.05% compared to iShares Large Cap Deep Buffer ETF (IVVB) at 0.74%. This indicates that PSFO's price experiences larger fluctuations and is considered to be riskier than IVVB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSFO	IVVB	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.05%	0.74%	+0.31%
Volatility (6M) Calculated over the trailing 6-month period	5.49%	5.49%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	7.29%	7.27%	+0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.05%	9.28%	+0.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.05%	9.28%	+0.77%

PSFO vs. IVVB - Expense Ratio Comparison

PSFO has a 0.60% expense ratio, which is higher than IVVB's 0.50% expense ratio.

Dividends

PSFO vs. IVVB - Dividend Comparison

PSFO has not paid dividends to shareholders, while IVVB's dividend yield for the trailing twelve months is around 1.17%.

Position	TTM	2025	2024
IVVB iShares Large Cap Deep Buffer ETF	1.17%	1.22%	0.87%
PSFO Pacer Swan SOS Flex (October) ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PSFO and IVVB in my portfolio?

PSFO and IVVB have a correlation of 0.89, 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 IVVB?

PSFO has higher volatility (1.05%) compared to IVVB (0.74%). In terms of maximum drawdown, PSFO dropped -12.09% vs IVVB's -13.08%.

Which ETF is better, PSFO or IVVB?

On 1-year performance, PSFO leads with 17.64% vs 14.57% for IVVB. On fees, IVVB is cheaper at 0.50% per year. On volatility, IVVB has been the lower-risk option at 0.74%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSFO or IVVB?

Over the 1-year period, PSFO has performed better with a 17.64% return vs 14.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSFO or IVVB?

IVVB is cheaper with a 0.50% expense ratio, compared with 0.60% for PSFO.

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

IVVB has the higher dividend yield at 1.17%, compared with 0.00% for PSFO.

What is the main difference between PSFO and IVVB?

They also come from different issuers: Pacer and iShares. Their fees differ too: 0.60% for PSFO and 0.50% for IVVB.

Which has better risk-adjusted returns?

PSFO currently has the higher Sharpe Ratio (2.43 vs 2.02), 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.