MSTY vs. USOY

Last updated Apr 1, 2026

Compare and contrast key facts about YieldMax™ MSTR Option Income Strategy ETF (MSTY) and Defiance Oil Enhanced Options Income ETF (USOY).

MSTY and USOY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MSTY is an actively managed fund by YieldMax. It was launched on Feb 21, 2024. USOY is an actively managed fund by Defiance. It was launched on May 9, 2024.

Performance

MSTY vs. USOY - Performance Comparison

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

MSTY vs. USOY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MSTY YieldMax™ MSTR Option Income Strategy ETF	-13.58%	-42.71%	82.31%
USOY Defiance Oil Enhanced Options Income ETF	60.22%	-7.93%	7.27%

Returns By Period

In the year-to-date period, MSTY achieves a -13.58% return, which is significantly lower than USOY's 60.22% return.

MSTY

• 1D: 2.45%
• 1M: -1.67%
• YTD: -13.58%
• 6M: -54.23%
• 1Y: -48.88%
• 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)

MSTY vs. USOY - Expense Ratio Comparison

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

USOY

Defiance Oil Enhanced Options Income ETF

MSTY

YieldMax™ MSTR Option Income Strategy ETF

Return for Risk

MSTY vs. USOY — Risk / Return Rank

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

MSTY

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

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.

MSTY vs. USOY - Risk-Adjusted Trends Comparison

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

	MSTY	USOY	Difference
Sharpe ratio Return per unit of total volatility	-0.77	1.75	-2.52
Sortino ratio Return per unit of downside risk	-1.05	2.20	-3.24
Omega ratio Gain probability vs. loss probability	0.88	1.32	-0.44
Calmar ratio Return relative to maximum drawdown	-0.68	2.91	-3.59
Martin ratio Return relative to average drawdown	-1.22	5.47	-6.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSTY vs. USOY - Sharpe Ratio Comparison

The current MSTY Sharpe Ratio is -0.77, which is lower than the USOY Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of MSTY 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

	MSTY	USOY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.77	1.75	-2.52
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	1.24	-0.96

Correlation

The correlation between MSTY and USOY is 0.08, 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

MSTY vs. USOY - Dividend Comparison

MSTY's dividend yield for the trailing twelve months is around 298.73%, more than USOY's 64.71% yield.

	TTM	2025	2024
MSTY YieldMax™ MSTR Option Income Strategy ETF	298.73%	294.61%	104.56%
USOY Defiance Oil Enhanced Options Income ETF	64.71%	104.32%	48.60%

Drawdowns

MSTY vs. USOY - Drawdown Comparison

The maximum MSTY drawdown since its inception was -71.79%, which is greater than USOY's maximum drawdown of -17.46%. Use the drawdown chart below to compare losses from any high point for MSTY and USOY.

Drawdown Indicators

	MSTY	USOY	Difference
Max Drawdown Largest peak-to-trough decline	-71.79%	-17.46%	-54.33%
Max Drawdown (1Y) Largest decline over 1 year	-71.79%	-15.70%	-56.09%
Current Drawdown Current decline from peak	-66.02%	-0.54%	-65.48%
Average Drawdown Average peak-to-trough decline	-23.37%	-6.56%	-16.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.02%	8.34%	+31.68%

Volatility

MSTY vs. USOY - Volatility Comparison

YieldMax™ MSTR Option Income Strategy ETF (MSTY) has a higher volatility of 14.90% compared to Defiance Oil Enhanced Options Income ETF (USOY) at 11.94%. This indicates that MSTY's price experiences larger fluctuations and is considered to be riskier than USOY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTY	USOY	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.90%	11.94%	+2.96%
Volatility (6M) Calculated over the trailing 6-month period	48.86%	18.38%	+30.48%
Volatility (1Y) Calculated over the trailing 1-year period	63.88%	25.35%	+38.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.67%	22.37%	+50.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	72.67%	22.37%	+50.30%