USOY vs. COSW

Last updated Jun 4, 2026

USOY (Defiance Oil Enhanced Options Income ETF) and COSW (Roundhill COST WeeklyPay ETF) are both Derivative Income funds. Both are actively managed. At a 0.07 correlation, their price movements are largely independent. USOY charges 1.22%/yr vs 0.99%/yr for COSW.

Performance

USOY vs. COSW - Performance Comparison

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

Returns By Period

In the year-to-date period, USOY achieves a 62.18% return, which is significantly higher than COSW's 12.13% return.

USOY

• 1D: 1.45%
• 1M: -3.43%
• YTD: 62.18%
• 6M: 59.35%
• 1Y: 57.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSW

• 1D: 0.92%
• 1M: -6.40%
• YTD: 12.13%
• 6M: 2.92%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

USOY vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
USOY Defiance Oil Enhanced Options Income ETF	62.18%	-0.56%
COSW Roundhill COST WeeklyPay ETF	12.13%	-10.71%

Correlation

The correlation between USOY and COSW is 0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 24, 2025	0.07

Return for Risk

USOY vs. COSW — Risk / Return Rank

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

USOY

USOY Risk / Return Rank: 56
USOY Sharpe Ratio Rank: 55
USOY Sortino Ratio Rank: 46
USOY Omega Ratio Rank: 55
USOY Calmar Ratio Rank: 78
USOY Martin Ratio Rank: 46

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. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Oil Enhanced Options Income ETF (USOY) and Roundhill COST WeeklyPay ETF (COSW). 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.

	USOY	COSW	Difference
Sharpe ratio: Return per unit of total volatility	1.89	—	—
Sortino ratio: Return per unit of downside risk	2.30	—	—
Omega ratio: Gain probability vs. loss probability	1.35	—	—
Calmar ratio: Return relative to maximum drawdown	4.03	—	—
Martin ratio: Return relative to average drawdown	7.74	—	—
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

	USOY	COSW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.89	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.99	0.01	+0.98

Drawdowns

USOY vs. COSW - Drawdown Comparison

The maximum USOY drawdown since its inception was -17.46%, which is greater than COSW's maximum drawdown of -16.24%. Use the drawdown chart below to compare losses from any high point for USOY and COSW.

Drawdown Indicators

	USOY	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-17.46%	-16.24%	-1.22%
Max Drawdown (1Y) Largest decline over 1 year	-14.29%	—	—
Current Drawdown Current decline from peak	-5.11%	-14.62%	+9.51%
Average Drawdown Average peak-to-trough decline	-6.47%	-4.17%	-2.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.42%	—	—

Volatility

Volatility by Period

	USOY	COSW	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.62%	—	—
Volatility (6M) Calculated over the trailing 6-month period	27.18%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	30.44%	26.10%	+4.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.13%	26.10%	+0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.13%	26.10%	+0.03%

USOY vs. COSW - Expense Ratio Comparison

USOY has a 1.22% expense ratio, which is higher than COSW's 0.99% expense ratio.

Dividends

USOY vs. COSW - Dividend Comparison

USOY's dividend yield for the trailing twelve months is around 54.16%, more than COSW's 18.13% yield.

Position	TTM	2025	2024
COSW Roundhill COST WeeklyPay ETF	18.13%	4.96%	0.00%
USOY Defiance Oil Enhanced Options Income ETF	54.16%	104.32%	48.60%

Frequently Asked Questions

Can I hold both USOY and COSW in my portfolio?

USOY and COSW have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, USOY or COSW?

On fees, COSW is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, USOY or COSW?

COSW is cheaper with a 0.99% expense ratio, compared with 1.22% for USOY.

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

USOY has the higher dividend yield at 54.16%, compared with 18.13% for COSW.

What is the main difference between USOY and COSW?

They also come from different issuers: Defiance and Roundhill. Their fees differ too: 1.22% for USOY and 0.99% for COSW.