ITWO vs. COSW

Last updated Aug 5, 2026

ITWO (Proshares Russell 2000 High Income ETF) and COSW (Roundhill COST WeeklyPay ETF) are both Derivative Income funds. ITWO is passively managed, while COSW is actively managed. Their -0.12 correlation means they have often moved in opposite directions in the past. ITWO charges 0.55%/yr vs 0.99%/yr for COSW.

Performance

ITWO vs. COSW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Proshares Russell 2000 High Income ETF (ITWO) 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, ITWO achieves a 23.91% return, which is significantly higher than COSW's 9.52% return.

ITWO

• 1D: 1.44%
• 1M: 1.32%
• 6M: 16.30%
• YTD: 23.91%
• 1Y: 38.09%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 21.88%

COSW

• 1D: -0.97%
• 1M: -0.65%
• 6M: -5.37%
• YTD: 9.52%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
COSW Roundhill COST WeeklyPay ETF	$107.06K	$155.32K	$206.51K
ITWO Proshares Russell 2000 High Income ETF	$1.12M	$1.31M	$1.40M

ITWO vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
ITWO Proshares Russell 2000 High Income ETF	23.91%	2.03%
COSW Roundhill COST WeeklyPay ETF	9.52%	-10.48%

Correlation

The correlation between ITWO and COSW is -0.12, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 23, 2025	-0.12

Return for Risk

ITWO vs. COSW — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

ITWO

ITWO Risk / Return Rank: 80
ITWO Sharpe Ratio Rank: 80
ITWO Sortino Ratio Rank: 77
ITWO Omega Ratio Rank: 71
ITWO Calmar Ratio Rank: 88
ITWO Martin Ratio Rank: 85

COSW

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

ITWO vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Proshares Russell 2000 High Income ETF (ITWO) 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.

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.

	ITWO	COSW	Difference
Sharpe ratio: Return per unit of total volatility	2.04	—	—
Sortino ratio: Return per unit of downside risk	2.78	—	—
Omega ratio: Gain probability vs. loss probability	1.33	—	—
Calmar ratio: Return relative to maximum drawdown	3.91	—	—
Martin ratio: Return relative to average drawdown	13.24	—	—

Drawdowns

ITWO vs. COSW - Drawdown Comparison

The maximum ITWO drawdown since its inception was -24.77%, which is greater than COSW's maximum drawdown of -20.01%. Use the drawdown chart below to compare losses from any high point for ITWO and COSW.

Drawdown Indicators

	ITWO	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-24.77%	-20.01%	-4.76%
Max Drawdown (1Y) Largest decline over 1 year	-9.79%	—	—
Current Drawdown Current decline from peak	0.00%	-16.61%	+16.61%
Average Drawdown Average peak-to-trough decline	-4.82%	-6.71%	+1.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	—	—

Volatility

Volatility by Period

	ITWO	COSW	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.39%	—	—
Volatility (6M) Calculated over the trailing 6-month period	13.86%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	18.84%	25.76%	-6.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.27%	25.76%	-5.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.27%	25.76%	-5.49%

ITWO vs. COSW - Expense Ratio Comparison

ITWO has a 0.55% expense ratio, which is lower than COSW's 0.99% expense ratio.

Dividends

ITWO vs. COSW - Dividend Comparison

ITWO's dividend yield for the trailing twelve months is around 7.35%, less than COSW's 22.95% yield.

Position	TTM	2025	2024
COSW Roundhill COST WeeklyPay ETF	22.95%	4.96%	0.00%
ITWO Proshares Russell 2000 High Income ETF	7.35%	12.12%	4.11%

Frequently Asked Questions

Can I hold both ITWO and COSW in my portfolio?

ITWO and COSW have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ITWO or COSW?

On fees, ITWO is cheaper at 0.55% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ITWO or COSW?

ITWO is cheaper with a 0.55% expense ratio, compared with 0.99% for COSW.

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

COSW has the higher dividend yield at 22.95%, compared with 7.35% for ITWO.

What is the main difference between ITWO and COSW?

They also come from different issuers: ProShares and Roundhill. Their fees differ too: 0.55% for ITWO and 0.99% for COSW.