USEP vs. ACIO

Last updated Apr 1, 2026

Compare and contrast key facts about Innovator U.S. Equity Ultra Buffer ETF - September (USEP) and Aptus Collared Income Opportunity ETF (ACIO).

USEP and ACIO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. USEP is a passively managed fund by Innovator that tracks the performance of the S&P 500 Index. It was launched on Aug 30, 2019. ACIO is an actively managed fund by Aptus Capital Advisors. It was launched on Jul 10, 2019.

Performance

USEP vs. ACIO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Equity Ultra Buffer ETF - September (USEP) and Aptus Collared Income Opportunity ETF (ACIO). The values are adjusted to include any dividend payments, if applicable.

USEP vs. ACIO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
USEP Innovator U.S. Equity Ultra Buffer ETF - September	-1.68%	11.75%	12.39%	18.62%	-7.98%	5.73%	7.13%	3.60%
ACIO Aptus Collared Income Opportunity ETF	-3.83%	9.03%	21.92%	15.90%	-10.31%	18.03%	9.85%	6.53%

Returns By Period

In the year-to-date period, USEP achieves a -1.68% return, which is significantly higher than ACIO's -3.83% return.

USEP

• 1D: 1.47%
• 1M: -2.27%
• YTD: -1.68%
• 6M: -0.00%
• 1Y: 12.37%
• 3Y*: 12.04%
• 5Y*: 6.93%
• 10Y*: —

ACIO

• 1D: 1.84%
• 1M: -3.52%
• YTD: -3.83%
• 6M: -3.16%
• 1Y: 8.91%
• 3Y*: 12.20%
• 5Y*: 8.76%
• 10Y*: —

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

USEP vs. ACIO - Expense Ratio Comparison

Both USEP and ACIO have an expense ratio of 0.79%.

USEP

Innovator U.S. Equity Ultra Buffer ETF - September

ACIO

Aptus Collared Income Opportunity ETF

Return for Risk

USEP vs. ACIO — Risk / Return Rank

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

USEP

USEP Risk / Return Rank: 80
USEP Sharpe Ratio Rank: 76
USEP Sortino Ratio Rank: 79
USEP Omega Ratio Rank: 83
USEP Calmar Ratio Rank: 77
USEP Martin Ratio Rank: 87

ACIO

ACIO Risk / Return Rank: 48
ACIO Sharpe Ratio Rank: 46
ACIO Sortino Ratio Rank: 45
ACIO Omega Ratio Rank: 46
ACIO Calmar Ratio Rank: 53
ACIO Martin Ratio Rank: 49

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.

USEP vs. ACIO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Equity Ultra Buffer ETF - September (USEP) and Aptus Collared Income Opportunity ETF (ACIO). 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.

	USEP	ACIO	Difference
Sharpe ratio Return per unit of total volatility	1.40	0.80	+0.59
Sortino ratio Return per unit of downside risk	2.07	1.19	+0.87
Omega ratio Gain probability vs. loss probability	1.33	1.17	+0.16
Calmar ratio Return relative to maximum drawdown	2.10	1.28	+0.82
Martin ratio Return relative to average drawdown	10.59	4.55	+6.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

USEP vs. ACIO - Sharpe Ratio Comparison

The current USEP Sharpe Ratio is 1.40, which is higher than the ACIO Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of USEP and ACIO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	USEP	ACIO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	0.80	+0.59
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.94	0.79	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.89	0.77	+0.13

Correlation

The correlation between USEP and ACIO is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

USEP vs. ACIO - Dividend Comparison

USEP has not paid dividends to shareholders, while ACIO's dividend yield for the trailing twelve months is around 0.42%.

	TTM	2025	2024	2023	2022	2021	2020	2019
USEP Innovator U.S. Equity Ultra Buffer ETF - September	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.64%
ACIO Aptus Collared Income Opportunity ETF	0.42%	0.37%	0.44%	0.72%	1.51%	0.61%	1.02%	1.32%

Drawdowns

USEP vs. ACIO - Drawdown Comparison

The maximum USEP drawdown since its inception was -13.37%, smaller than the maximum ACIO drawdown of -14.19%. Use the drawdown chart below to compare losses from any high point for USEP and ACIO.

Drawdown Indicators

	USEP	ACIO	Difference
Max Drawdown Largest peak-to-trough decline	-13.37%	-14.19%	+0.82%
Max Drawdown (1Y) Largest decline over 1 year	-6.07%	-7.22%	+1.15%
Max Drawdown (5Y) Largest decline over 5 years	-11.84%	-14.00%	+2.16%
Current Drawdown Current decline from peak	-2.62%	-5.51%	+2.89%
Average Drawdown Average peak-to-trough decline	-1.94%	-3.25%	+1.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.20%	2.04%	-0.84%

Volatility

USEP vs. ACIO - Volatility Comparison

The current volatility for Innovator U.S. Equity Ultra Buffer ETF - September (USEP) is 2.70%, while Aptus Collared Income Opportunity ETF (ACIO) has a volatility of 3.39%. This indicates that USEP experiences smaller price fluctuations and is considered to be less risky than ACIO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USEP	ACIO	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.70%	3.39%	-0.69%
Volatility (6M) Calculated over the trailing 6-month period	4.25%	6.42%	-2.17%
Volatility (1Y) Calculated over the trailing 1-year period	8.90%	11.12%	-2.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.38%	11.09%	-3.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.13%	11.71%	-3.58%