QLDY vs. COSW

Last updated Apr 2, 2026

Compare and contrast key facts about Defiance Nasdaq 100 LightningSpread Income ETF (QLDY) and Roundhill COST WeeklyPay ETF (COSW).

QLDY and COSW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. QLDY is an actively managed fund by Defiance. It was launched on Sep 17, 2025. COSW is an actively managed fund by Roundhill. It was launched on Oct 23, 2025.

Performance

QLDY vs. COSW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Nasdaq 100 LightningSpread Income ETF (QLDY) and Roundhill COST WeeklyPay ETF (COSW). The values are adjusted to include any dividend payments, if applicable.

QLDY vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
QLDY Defiance Nasdaq 100 LightningSpread Income ETF	-9.50%	0.13%
COSW Roundhill COST WeeklyPay ETF	17.85%	-10.71%

Returns By Period

In the year-to-date period, QLDY achieves a -9.50% return, which is significantly lower than COSW's 17.85% return.

QLDY

• 1D: 1.52%
• 1M: -6.07%
• YTD: -9.50%
• 6M: -9.60%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSW

• 1D: 0.56%
• 1M: -1.19%
• YTD: 17.85%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

QLDY vs. COSW - Expense Ratio Comparison

QLDY has a 1.04% expense ratio, which is higher than COSW's 0.99% expense ratio.

QLDY

Defiance Nasdaq 100 LightningSpread Income ETF

COSW

Roundhill COST WeeklyPay ETF

Return for Risk

QLDY vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Nasdaq 100 LightningSpread Income ETF (QLDY) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	QLDY	COSW	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	-0.75	0.50	-1.25

Correlation

The correlation between QLDY and COSW is -0.05. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

QLDY vs. COSW - Dividend Comparison

QLDY's dividend yield for the trailing twelve months is around 19.76%, more than COSW's 12.19% yield.

	TTM	2025
QLDY Defiance Nasdaq 100 LightningSpread Income ETF	19.76%	9.34%
COSW Roundhill COST WeeklyPay ETF	12.19%	4.96%

Drawdowns

QLDY vs. COSW - Drawdown Comparison

The maximum QLDY drawdown since its inception was -17.44%, which is greater than COSW's maximum drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for QLDY and COSW.

Drawdown Indicators

	QLDY	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-17.44%	-12.17%	-5.27%
Current Drawdown Current decline from peak	-13.33%	-2.74%	-10.59%
Average Drawdown Average peak-to-trough decline	-4.81%	-4.04%	-0.77%

Volatility

Volatility by Period

	QLDY	COSW	Difference
Volatility (1Y) Calculated over the trailing 1-year period	19.69%	25.26%	-5.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.69%	25.26%	-5.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.69%	25.26%	-5.57%