OARK vs. AIYY
OARK (YieldMax Innovation Option Income Strategy ETF) and AIYY (YieldMax AI Option Income Strategy ETF) are both exchange-traded funds - OARK is a Options Trading fund actively managed by YieldMax, while AIYY is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, OARK returned 32.85% vs -57.47% for AIYY. A 0.64 correlation means they provide meaningful diversification when combined. Both charge a 0.99% expense ratio.
Performance
OARK vs. AIYY - Performance Comparison
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Returns By Period
In the year-to-date period, OARK achieves a 6.11% return, which is significantly higher than AIYY's -24.26% return.
OARK
- 1D
- -1.57%
- 1M
- 0.36%
- YTD
- 6.11%
- 6M
- 4.26%
- 1Y
- 32.85%
- 3Y*
- 14.35%
- 5Y*
- —
- 10Y*
- —
AIYY
- 1D
- -3.43%
- 1M
- 9.34%
- YTD
- -24.26%
- 6M
- -29.50%
- 1Y
- -57.47%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
OARK vs. AIYY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
OARK YieldMax Innovation Option Income Strategy ETF | 6.11% | 20.37% | 7.32% | 13.29% |
AIYY YieldMax AI Option Income Strategy ETF | -24.26% | -58.98% | -14.74% | -1.63% |
Correlation
The correlation between OARK and AIYY 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 (1Y) Calculated over the trailing 1-year period | 0.60 |
Correlation (All Time) Calculated using the full available price history since Nov 29, 2023 | 0.64 |
The correlation between OARK and AIYY has been stable across timeframes, ranging from 0.60 to 0.64 - a consistent structural relationship.
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Return for Risk
OARK vs. AIYY — Risk / Return Rank
OARK
AIYY
OARK vs. AIYY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for YieldMax Innovation Option Income Strategy ETF (OARK) and YieldMax AI Option Income Strategy ETF (AIYY). 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.
| OARK | AIYY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.18 | -1.07 | +2.25 |
Sortino ratioReturn per unit of downside risk | 1.68 | -1.59 | +3.27 |
Omega ratioGain probability vs. loss probability | 1.21 | 0.78 | +0.42 |
Calmar ratioReturn relative to maximum drawdown | 1.42 | -0.84 | +2.26 |
Martin ratioReturn relative to average drawdown | 3.37 | -1.21 | +4.58 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| OARK | AIYY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.18 | -1.07 | +2.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | -0.83 | +1.22 |
Drawdowns
OARK vs. AIYY - Drawdown Comparison
The maximum OARK drawdown since its inception was -35.48%, smaller than the maximum AIYY drawdown of -79.48%. Use the drawdown chart below to compare losses from any high point for OARK and AIYY.
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Drawdown Indicators
| OARK | AIYY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.48% | -79.48% | +44.00% |
Max Drawdown (1Y)Largest decline over 1 year | -23.26% | -68.33% | +45.07% |
Max Drawdown (3Y)Largest decline over 3 years | -35.48% | — | — |
Current DrawdownCurrent decline from peak | -6.75% | -75.26% | +68.51% |
Average DrawdownAverage peak-to-trough decline | -10.58% | -41.04% | +30.46% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.77% | 47.63% | -37.86% |
Volatility
OARK vs. AIYY - Volatility Comparison
The current volatility for YieldMax Innovation Option Income Strategy ETF (OARK) is 6.50%, while YieldMax AI Option Income Strategy ETF (AIYY) has a volatility of 15.67%. This indicates that OARK experiences smaller price fluctuations and is considered to be less risky than AIYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OARK | AIYY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.50% | 15.67% | -9.17% |
Volatility (6M)Calculated over the trailing 6-month period | 19.93% | 39.16% | -19.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.07% | 53.83% | -25.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.84% | 50.52% | -19.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.84% | 50.52% | -19.68% |
OARK vs. AIYY - Expense Ratio Comparison
Both OARK and AIYY have an expense ratio of 0.99%.
Dividends
OARK vs. AIYY - Dividend Comparison
OARK's dividend yield for the trailing twelve months is around 64.29%, less than AIYY's 158.78% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
AIYY YieldMax AI Option Income Strategy ETF | 158.78% | 168.33% | 98.26% | 0.00% |
OARK YieldMax Innovation Option Income Strategy ETF | 64.29% | 61.86% | 47.86% | 45.03% |
Frequently Asked Questions
OARK and AIYY 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.
AIYY has higher volatility (15.67%) compared to OARK (6.50%). In terms of maximum drawdown, OARK dropped -35.48% vs AIYY's -79.48%.
On 1-year performance, OARK leads with 32.85% vs -57.47% for AIYY. Both ETFs have the same 0.99% expense ratio. On volatility, OARK has been the lower-risk option at 6.50%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, OARK has performed better with a 32.85% return vs -57.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
OARK and AIYY have the same expense ratio: 0.99% per year.
AIYY has the higher dividend yield at 158.78%, compared with 64.29% for OARK.
OARK is categorized as Options Trading, while AIYY is Derivative Income.
OARK currently has the higher Sharpe Ratio (1.18 vs -1.07), 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.
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