USOY vs. SDTY

Last updated Jul 21, 2026

USOY (Defiance Oil Enhanced Options Income ETF) and SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) are both Derivative Income funds. Both are actively managed. Over the past year, USOY returned 38.97% vs 17.90% for SDTY. At a correlation of -0.08, they often move in opposite directions. USOY charges 1.22%/yr vs 1.01%/yr for SDTY.

Performance

USOY vs. SDTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Oil Enhanced Options Income ETF (USOY) and YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USOY achieves a 48.30% return, which is significantly higher than SDTY's 7.95% return.

USOY

• 1D: 0.76%
• 1M: 7.45%
• 6M: 46.30%
• YTD: 48.30%
• 1Y: 38.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 18.43%

SDTY

• 1D: -0.05%
• 1M: 0.07%
• 6M: 6.33%
• YTD: 7.95%
• 1Y: 17.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.36%

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

USOY vs. SDTY - Yearly Performance Comparison

	2026 (YTD)	2025
USOY Defiance Oil Enhanced Options Income ETF	48.30%	-9.21%
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	7.95%	9.67%

Correlation

The correlation between USOY and SDTY is -0.20, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.20
Correlation (All Time) Calculated using the full available price history since Feb 6, 2025	-0.08

The correlation between USOY and SDTY shifts across timeframes, from -0.20 (1 year) to -0.08 (all time), reflecting how their relationship changes across market environments.

Return for Risk

USOY vs. SDTY — Risk / Return Rank

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

USOY

USOY Risk / Return Rank: 42
USOY Sharpe Ratio Rank: 45
USOY Sortino Ratio Rank: 42
USOY Omega Ratio Rank: 46
USOY Calmar Ratio Rank: 39
USOY Martin Ratio Rank: 39

SDTY

SDTY Risk / Return Rank: 63
SDTY Sharpe Ratio Rank: 62
SDTY Sortino Ratio Rank: 60
SDTY Omega Ratio Rank: 62
SDTY Calmar Ratio Rank: 60
SDTY Martin Ratio Rank: 68

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.

USOY vs. SDTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Oil Enhanced Options Income ETF (USOY) and YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	USOY	SDTY	Difference
Sharpe ratio: Return per unit of total volatility	1.20	1.54	-0.34
Sortino ratio: Return per unit of downside risk	1.66	2.14	-0.48
Omega ratio: Gain probability vs. loss probability	1.23	1.28	-0.05
Calmar ratio: Return relative to maximum drawdown	1.53	2.24	-0.71
Martin ratio: Return relative to average drawdown	4.58	8.97	-4.39

USOY vs. SDTY - Sharpe Ratio Comparison

The current USOY Sharpe Ratio is 1.20, which is comparable to the SDTY Sharpe Ratio of 1.54. The chart below compares the historical Sharpe Ratios of USOY and SDTY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

USOY vs. SDTY - Drawdown Comparison

The maximum USOY drawdown since its inception was -25.51%, which is greater than SDTY's maximum drawdown of -18.63%. Use the drawdown chart below to compare losses from any high point for USOY and SDTY.

Drawdown Indicators

	USOY	SDTY	Difference
Max Drawdown Largest peak-to-trough decline	-25.51%	-18.63%	-6.88%
Max Drawdown (1Y) Largest decline over 1 year	-25.51%	-8.02%	-17.49%
Current Drawdown Current decline from peak	-13.23%	-1.25%	-11.98%
Average Drawdown Average peak-to-trough decline	-7.10%	-2.89%	-4.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.54%	2.00%	+6.54%

Volatility

USOY vs. SDTY - Volatility Comparison

Defiance Oil Enhanced Options Income ETF (USOY) has a higher volatility of 11.12% compared to YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) at 3.00%. This indicates that USOY's price experiences larger fluctuations and is considered to be riskier than SDTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USOY	SDTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.12%	3.00%	+8.12%
Volatility (6M) Calculated over the trailing 6-month period	29.93%	9.23%	+20.70%
Volatility (1Y) Calculated over the trailing 1-year period	32.63%	11.69%	+20.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.10%	16.51%	+10.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.10%	16.51%	+10.59%

USOY vs. SDTY - Expense Ratio Comparison

USOY has a 1.22% expense ratio, which is higher than SDTY's 1.01% expense ratio.

Dividends

USOY vs. SDTY - Dividend Comparison

USOY's dividend yield for the trailing twelve months is around 58.00%, more than SDTY's 26.94% yield.

Position	TTM	2025	2024
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	26.94%	22.00%	0.00%
USOY Defiance Oil Enhanced Options Income ETF	58.00%	104.32%	48.60%

Frequently Asked Questions

Can I hold both USOY and SDTY in my portfolio?

USOY and SDTY have a correlation of -0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USOY or SDTY?

USOY has higher volatility (11.12%) compared to SDTY (3.00%). In terms of maximum drawdown, USOY dropped -25.51% vs SDTY's -18.63%.

Which ETF is better, USOY or SDTY?

On 1-year performance, USOY leads with 38.97% vs 17.90% for SDTY. On fees, SDTY is cheaper at 1.01% per year. On volatility, SDTY has been the lower-risk option at 3.00%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, USOY or SDTY?

Over the 1-year period, USOY has performed better with a 38.97% return vs 17.90%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, USOY or SDTY?

SDTY is cheaper with a 1.01% expense ratio, compared with 1.22% for USOY.

Which ETF pays a higher dividend yield, USOY or SDTY?

USOY has the higher dividend yield at 58.00%, compared with 26.94% for SDTY.

What is the main difference between USOY and SDTY?

They also come from different issuers: Defiance and YieldMax. Their fees differ too: 1.22% for USOY and 1.01% for SDTY.

Which has better risk-adjusted returns?

SDTY currently has the higher Sharpe Ratio (1.54 vs 1.20), 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.