AIYY vs. ACII

Last updated Jun 4, 2026

AIYY (YieldMax AI Option Income Strategy ETF) and ACII (Innovator Index Autocallable Income Strategy ETF) are both Derivative Income funds. Both are actively managed. A 0.60 correlation means they provide meaningful diversification when combined. AIYY charges 0.99%/yr vs 0.79%/yr for ACII.

Performance

AIYY vs. ACII - Performance Comparison

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

Returns By Period

AIYY

• 1D: -3.43%
• 1M: 9.34%
• YTD: -24.26%
• 6M: -29.50%
• 1Y: -57.47%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ACII

• 1D: -0.95%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AIYY vs. ACII - Yearly Performance Comparison

	2026 (YTD)
AIYY YieldMax AI Option Income Strategy ETF	3.68%
ACII Innovator Index Autocallable Income Strategy ETF	-1.10%

Correlation

The correlation between AIYY and ACII is 0.60, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	0.60

Return for Risk

AIYY vs. ACII — Risk / Return Rank

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

AIYY

AIYY Risk / Return Rank: 2
AIYY Sharpe Ratio Rank: 1
AIYY Sortino Ratio Rank: 1
AIYY Omega Ratio Rank: 1
AIYY Calmar Ratio Rank: 2
AIYY Martin Ratio Rank: 3

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.

AIYY vs. ACII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax AI Option Income Strategy ETF (AIYY) 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.

	AIYY	ACII	Difference
Sharpe ratio Return per unit of total volatility	-1.07	—	—
Sortino ratio Return per unit of downside risk	-1.59	—	—
Omega ratio Gain probability vs. loss probability	0.78	—	—
Calmar ratio Return relative to maximum drawdown	-0.84	—	—
Martin ratio Return relative to average drawdown	-1.21	—	—
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

	AIYY	ACII	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.07	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.83	-7.55	+6.73

Drawdowns

AIYY vs. ACII - Drawdown Comparison

The maximum AIYY drawdown since its inception was -79.48%, which is greater than ACII's maximum drawdown of -1.27%. Use the drawdown chart below to compare losses from any high point for AIYY and ACII.

Drawdown Indicators

	AIYY	ACII	Difference
Max Drawdown Largest peak-to-trough decline	-79.48%	-1.27%	-78.21%
Max Drawdown (1Y) Largest decline over 1 year	-68.33%	—	—
Current Drawdown Current decline from peak	-75.26%	-1.27%	-73.99%
Average Drawdown Average peak-to-trough decline	-41.04%	-0.42%	-40.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	47.63%	—	—

Volatility

Volatility by Period

	AIYY	ACII	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.67%	—	—
Volatility (6M) Calculated over the trailing 6-month period	39.16%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	53.83%	7.65%	+46.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.52%	7.65%	+42.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.52%	7.65%	+42.87%

AIYY vs. ACII - Expense Ratio Comparison

AIYY has a 0.99% expense ratio, which is higher than ACII's 0.79% expense ratio.

Dividends

AIYY vs. ACII - Dividend Comparison

AIYY's dividend yield for the trailing twelve months is around 158.78%, more than ACII's 0.74% yield.

Position	TTM	2025	2024
ACII Innovator Index Autocallable Income Strategy ETF	0.74%	0.00%	0.00%
AIYY YieldMax AI Option Income Strategy ETF	158.78%	168.33%	98.26%

Frequently Asked Questions

Can I hold both AIYY and ACII in my portfolio?

AIYY and ACII have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, AIYY or ACII?

On fees, ACII is cheaper at 0.79% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, AIYY or ACII?

ACII is cheaper with a 0.79% expense ratio, compared with 0.99% for AIYY.

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

AIYY has the higher dividend yield at 158.78%, compared with 0.74% for ACII.

What is the main difference between AIYY and ACII?

They also come from different issuers: YieldMax and Innovator. Their fees differ too: 0.99% for AIYY and 0.79% for ACII.