COSW vs. AMZW

Last updated Apr 1, 2026

Compare and contrast key facts about Roundhill COST WeeklyPay ETF (COSW) and Roundhill AMZN WeeklyPay ETF (AMZW).

COSW and AMZW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. COSW is an actively managed fund by Roundhill. It was launched on Oct 23, 2025. AMZW is an actively managed fund by Roundhill. It was launched on Jun 18, 2025.

Performance

COSW vs. AMZW - Performance Comparison

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

COSW vs. AMZW - Yearly Performance Comparison

	2026 (YTD)	2025
COSW Roundhill COST WeeklyPay ETF	17.20%	-10.71%
AMZW Roundhill AMZN WeeklyPay ETF	-12.18%	4.13%

Returns By Period

In the year-to-date period, COSW achieves a 17.20% return, which is significantly higher than AMZW's -12.18% return.

COSW

• 1D: -0.54%
• 1M: -2.62%
• YTD: 17.20%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

AMZW

• 1D: 0.38%
• 1M: 0.33%
• YTD: -12.18%
• 6M: -8.57%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

COSW vs. AMZW - Expense Ratio Comparison

Both COSW and AMZW have an expense ratio of 0.99%.

COSW

Roundhill COST WeeklyPay ETF

AMZW

Roundhill AMZN WeeklyPay ETF

Return for Risk

COSW vs. AMZW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill COST WeeklyPay ETF (COSW) and Roundhill AMZN WeeklyPay ETF (AMZW). 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

	COSW	AMZW	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	-0.19	+0.64

Correlation

The correlation between COSW and AMZW is -0.01. 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

COSW vs. AMZW - Dividend Comparison

COSW's dividend yield for the trailing twelve months is around 12.26%, less than AMZW's 41.14% yield.

	TTM	2025
COSW Roundhill COST WeeklyPay ETF	12.26%	4.96%
AMZW Roundhill AMZN WeeklyPay ETF	41.14%	25.29%

Drawdowns

COSW vs. AMZW - Drawdown Comparison

The maximum COSW drawdown since its inception was -12.17%, smaller than the maximum AMZW drawdown of -26.79%. Use the drawdown chart below to compare losses from any high point for COSW and AMZW.

Drawdown Indicators

	COSW	AMZW	Difference
Max Drawdown Largest peak-to-trough decline	-12.17%	-26.79%	+14.62%
Current Drawdown Current decline from peak	-3.28%	-22.39%	+19.11%
Average Drawdown Average peak-to-trough decline	-4.05%	-9.67%	+5.62%

Volatility

Volatility by Period

	COSW	AMZW	Difference
Volatility (1Y) Calculated over the trailing 1-year period	25.36%	37.49%	-12.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.36%	37.49%	-12.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.36%	37.49%	-12.13%