CAIQ vs. COSW

Last updated Apr 1, 2026

Compare and contrast key facts about Calamos Nasdaq Autocallable Income ETF (CAIQ) and Roundhill COST WeeklyPay ETF (COSW).

CAIQ and COSW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CAIQ is a passively managed fund by Calamos that tracks the performance of the MerQube Nasdaq-100 Vol Advantage Autocallable Index. It was launched on Nov 20, 2024. COSW is an actively managed fund by Roundhill. It was launched on Oct 23, 2025.

Performance

CAIQ vs. COSW - Performance Comparison

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

CAIQ vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
CAIQ Calamos Nasdaq Autocallable Income ETF	-4.16%	4.03%
COSW Roundhill COST WeeklyPay ETF	17.20%	-4.69%

Returns By Period

In the year-to-date period, CAIQ achieves a -4.16% return, which is significantly lower than COSW's 17.20% return.

CAIQ

• 1D: 3.02%
• 1M: -3.99%
• YTD: -4.16%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSW

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

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

CAIQ vs. COSW - Expense Ratio Comparison

CAIQ has a 0.74% expense ratio, which is lower than COSW's 0.99% expense ratio.

COSW

Roundhill COST WeeklyPay ETF

CAIQ

Calamos Nasdaq Autocallable Income ETF

Return for Risk

CAIQ vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Nasdaq Autocallable Income ETF (CAIQ) 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

	CAIQ	COSW	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	-0.06	0.44	-0.50

Correlation

The correlation between CAIQ and COSW is 0.03, 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

CAIQ vs. COSW - Dividend Comparison

CAIQ's dividend yield for the trailing twelve months is around 4.82%, less than COSW's 12.26% yield.

	TTM	2025
CAIQ Calamos Nasdaq Autocallable Income ETF	4.82%	1.54%
COSW Roundhill COST WeeklyPay ETF	12.26%	4.96%

Drawdowns

CAIQ vs. COSW - Drawdown Comparison

The maximum CAIQ drawdown since its inception was -9.06%, smaller than the maximum COSW drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for CAIQ and COSW.

Drawdown Indicators

	CAIQ	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-9.06%	-12.17%	+3.11%
Current Drawdown Current decline from peak	-6.31%	-3.28%	-3.03%
Average Drawdown Average peak-to-trough decline	-2.18%	-4.05%	+1.87%

Volatility

Volatility by Period

	CAIQ	COSW	Difference
Volatility (1Y) Calculated over the trailing 1-year period	14.16%	25.36%	-11.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.16%	25.36%	-11.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.16%	25.36%	-11.20%