AIPI vs. ACII

Last updated Jun 3, 2026

AIPI (REX AI Equity Premium Income ETF) and ACII (Innovator Index Autocallable Income Strategy ETF) are both Derivative Income funds. Both are actively managed. With a 1.00 correlation, they move nearly in lockstep. AIPI charges 0.65%/yr vs 0.79%/yr for ACII.

Performance

AIPI vs. ACII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX AI Equity Premium Income ETF (AIPI) and Innovator Index Autocallable Income Strategy ETF (ACII). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

AIPI

• 1D: 0.15%
• 1M: 10.17%
• YTD: 11.58%
• 6M: 11.05%
• 1Y: 32.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ACII

• 1D: -0.21%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AIPI vs. ACII - Yearly Performance Comparison

	2026 (YTD)
AIPI REX AI Equity Premium Income ETF	1.73%
ACII Innovator Index Autocallable Income Strategy ETF	-0.14%

Correlation

The correlation between AIPI and ACII is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	1.00

Return for Risk

AIPI vs. ACII — Risk / Return Rank

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

AIPI

AIPI Risk / Return Rank: 52
AIPI Sharpe Ratio Rank: 59
AIPI Sortino Ratio Rank: 54
AIPI Omega Ratio Rank: 59
AIPI Calmar Ratio Rank: 46
AIPI Martin Ratio Rank: 44

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.

AIPI vs. ACII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX AI Equity Premium Income ETF (AIPI) and Innovator Index Autocallable Income Strategy ETF (ACII). 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.

	AIPI	ACII	Difference
Sharpe ratio Return per unit of total volatility	2.02	—	—
Sortino ratio Return per unit of downside risk	2.62	—	—
Omega ratio Gain probability vs. loss probability	1.37	—	—
Calmar ratio Return relative to maximum drawdown	2.32	—	—
Martin ratio Return relative to average drawdown	7.22	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	AIPI	ACII	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.02	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.06	-4.37	+5.42

Drawdowns

AIPI vs. ACII - Drawdown Comparison

The maximum AIPI drawdown since its inception was -25.25%, which is greater than ACII's maximum drawdown of -0.32%. Use the drawdown chart below to compare losses from any high point for AIPI and ACII.

Drawdown Indicators

	AIPI	ACII	Difference
Max Drawdown Largest peak-to-trough decline	-25.25%	-0.32%	-24.93%
Max Drawdown (1Y) Largest decline over 1 year	-14.40%	—	—
Current Drawdown Current decline from peak	0.00%	-0.32%	+0.32%
Average Drawdown Average peak-to-trough decline	-4.67%	-0.14%	-4.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	—	—

Volatility

Volatility by Period

	AIPI	ACII	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.59%	—	—
Volatility (6M) Calculated over the trailing 6-month period	12.93%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	15.94%	3.15%	+12.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.40%	3.15%	+18.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.40%	3.15%	+18.25%

AIPI vs. ACII - Expense Ratio Comparison

AIPI has a 0.65% expense ratio, which is lower than ACII's 0.79% expense ratio.

Dividends

AIPI vs. ACII - Dividend Comparison

AIPI's dividend yield for the trailing twelve months is around 33.63%, more than ACII's 0.73% yield.

Position	TTM	2025	2024
ACII Innovator Index Autocallable Income Strategy ETF	0.73%	0.00%	0.00%
AIPI REX AI Equity Premium Income ETF	33.63%	37.84%	18.13%

Frequently Asked Questions

Can I hold both AIPI and ACII in my portfolio?

With a correlation of 1.00, AIPI and ACII move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, AIPI or ACII?

On fees, AIPI is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, AIPI or ACII?

AIPI is cheaper with a 0.65% expense ratio, compared with 0.79% for ACII.

Which ETF pays a higher dividend yield, AIPI or ACII?

AIPI has the higher dividend yield at 33.63%, compared with 0.73% for ACII.

What is the main difference between AIPI and ACII?

They also come from different issuers: REX and Innovator. Their fees differ too: 0.65% for AIPI and 0.79% for ACII.