AIYY vs. USOY

Last updated Apr 1, 2026

Compare and contrast key facts about YieldMax AI Option Income Strategy ETF (AIYY) and Defiance Oil Enhanced Options Income ETF (USOY).

AIYY and USOY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. AIYY is an actively managed fund by YieldMax. It was launched on Nov 27, 2023. USOY is an actively managed fund by Defiance. It was launched on May 9, 2024.

Performance

AIYY vs. USOY - Performance Comparison

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

AIYY vs. USOY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
AIYY YieldMax AI Option Income Strategy ETF	-34.26%	-58.98%	9.22%
USOY Defiance Oil Enhanced Options Income ETF	60.22%	-7.93%	7.27%

Returns By Period

In the year-to-date period, AIYY achieves a -34.26% return, which is significantly lower than USOY's 60.22% return.

AIYY

• 1D: 4.30%
• 1M: 1.87%
• YTD: -34.26%
• 6M: -47.05%
• 1Y: -59.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

USOY

• 1D: -0.54%
• 1M: 34.04%
• YTD: 60.22%
• 6M: 55.39%
• 1Y: 44.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AIYY vs. USOY - Expense Ratio Comparison

AIYY has a 0.99% expense ratio, which is lower than USOY's 1.22% expense ratio.

USOY

Defiance Oil Enhanced Options Income ETF

AIYY

YieldMax AI Option Income Strategy ETF

Return for Risk

AIYY vs. USOY — Risk / Return Rank

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

AIYY

AIYY Risk / Return Rank: 1
AIYY Sharpe Ratio Rank: 0
AIYY Sortino Ratio Rank: 0
AIYY Omega Ratio Rank: 0
AIYY Calmar Ratio Rank: 1
AIYY Martin Ratio Rank: 1

USOY

USOY Risk / Return Rank: 80
USOY Sharpe Ratio Rank: 87
USOY Sortino Ratio Rank: 84
USOY Omega Ratio Rank: 83
USOY Calmar Ratio Rank: 89
USOY Martin Ratio Rank: 58

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. USOY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax AI Option Income Strategy ETF (AIYY) and Defiance Oil Enhanced Options Income ETF (USOY). 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	USOY	Difference
Sharpe ratio Return per unit of total volatility	-1.07	1.75	-2.82
Sortino ratio Return per unit of downside risk	-1.64	2.20	-3.84
Omega ratio Gain probability vs. loss probability	0.78	1.32	-0.54
Calmar ratio Return relative to maximum drawdown	-0.88	2.91	-3.79
Martin ratio Return relative to average drawdown	-1.54	5.47	-7.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AIYY vs. USOY - Sharpe Ratio Comparison

The current AIYY Sharpe Ratio is -1.07, which is lower than the USOY Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of AIYY and USOY, 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

	AIYY	USOY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.07	1.75	-2.82
Sharpe Ratio (All Time) Calculated using the full available price history	-0.94	1.24	-2.18

Correlation

The correlation between AIYY and USOY is 0.04, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

AIYY vs. USOY - Dividend Comparison

AIYY's dividend yield for the trailing twelve months is around 206.09%, more than USOY's 64.71% yield.

	TTM	2025	2024
AIYY YieldMax AI Option Income Strategy ETF	206.09%	168.33%	98.26%
USOY Defiance Oil Enhanced Options Income ETF	64.71%	104.32%	48.60%

Drawdowns

AIYY vs. USOY - Drawdown Comparison

The maximum AIYY drawdown since its inception was -79.48%, which is greater than USOY's maximum drawdown of -17.46%. Use the drawdown chart below to compare losses from any high point for AIYY and USOY.

Drawdown Indicators

	AIYY	USOY	Difference
Max Drawdown Largest peak-to-trough decline	-79.48%	-17.46%	-62.02%
Max Drawdown (1Y) Largest decline over 1 year	-68.33%	-15.70%	-52.63%
Current Drawdown Current decline from peak	-78.53%	-0.54%	-77.99%
Average Drawdown Average peak-to-trough decline	-38.30%	-6.56%	-31.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	39.17%	8.34%	+30.83%

Volatility

AIYY vs. USOY - Volatility Comparison

The current volatility for YieldMax AI Option Income Strategy ETF (AIYY) is 10.87%, while Defiance Oil Enhanced Options Income ETF (USOY) has a volatility of 11.94%. This indicates that AIYY experiences smaller price fluctuations and is considered to be less risky than USOY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AIYY	USOY	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.87%	11.94%	-1.07%
Volatility (6M) Calculated over the trailing 6-month period	37.98%	18.38%	+19.60%
Volatility (1Y) Calculated over the trailing 1-year period	55.64%	25.35%	+30.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.60%	22.37%	+28.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.60%	22.37%	+28.23%