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COSW vs. ITWO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

COSW vs. ITWO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill COST WeeklyPay ETF (COSW) and Proshares Russell 2000 High Income ETF (ITWO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, COSW achieves a 11.78% return, which is significantly lower than ITWO's 21.97% return.


COSW

1D
0.24%
1M
-8.28%
YTD
11.78%
6M
10.24%
1Y
3Y*
5Y*
10Y*

ITWO

1D
0.37%
1M
4.85%
YTD
21.97%
6M
19.09%
1Y
39.64%
3Y*
5Y*
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

COSW vs. ITWO - Yearly Performance Comparison


2026 (YTD)2025
COSW
Roundhill COST WeeklyPay ETF
11.78%-10.48%
ITWO
Proshares Russell 2000 High Income ETF
21.97%2.03%

Correlation

The correlation between COSW and ITWO is -0.08, 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 23, 2025

-0.08

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Return for Risk

COSW vs. ITWO — Risk / Return Rank

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

COSW

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


ITWO
ITWO Risk / Return Rank: 7474
Overall Rank
ITWO Sharpe Ratio Rank: 7474
Sharpe Ratio Rank
ITWO Sortino Ratio Rank: 7070
Sortino Ratio Rank
ITWO Omega Ratio Rank: 6262
Omega Ratio Rank
ITWO Calmar Ratio Rank: 8484
Calmar Ratio Rank
ITWO Martin Ratio Rank: 7979
Martin Ratio Rank
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.

COSW vs. ITWO - Risk-Adjusted Trends Comparison

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


COSWITWODifference
Sharpe ratioReturn per unit of total volatility

Sortino ratioReturn per unit of downside risk

Omega ratioGain probability vs. loss probability

1.33

Calmar ratioReturn relative to maximum drawdown

4.07

Martin ratioReturn relative to average drawdown

13.64

COSW vs. ITWO - Sharpe Ratio Comparison


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Drawdowns

COSW vs. ITWO - Drawdown Comparison

The maximum COSW drawdown since its inception was -16.24%, smaller than the maximum ITWO drawdown of -24.77%. Use the drawdown chart below to compare losses from any high point for COSW and ITWO.


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Drawdown Indicators


COSWITWODifference

Max Drawdown

Largest peak-to-trough decline

-16.24%

-24.77%

+8.53%

Max Drawdown (1Y)

Largest decline over 1 year

-9.79%

Current Drawdown

Current decline from peak

-14.89%

-0.45%

-14.44%

Average Drawdown

Average peak-to-trough decline

-4.94%

-5.02%

+0.08%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.91%

Volatility

COSW vs. ITWO - Volatility Comparison


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Volatility by Period


COSWITWODifference

Volatility (1M)

Calculated over the trailing 1-month period

6.63%

Volatility (6M)

Calculated over the trailing 6-month period

14.07%

Volatility (1Y)

Calculated over the trailing 1-year period

25.46%

19.20%

+6.26%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

25.46%

20.62%

+4.84%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

25.46%

20.62%

+4.84%

COSW vs. ITWO - Expense Ratio Comparison

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


Dividends

COSW vs. ITWO - Dividend Comparison

COSW's dividend yield for the trailing twelve months is around 19.61%, more than ITWO's 7.30% yield.


PositionTTM20252024
COSW
Roundhill COST WeeklyPay ETF
19.61%4.96%0.00%
ITWO
Proshares Russell 2000 High Income ETF
7.30%12.12%4.11%

Frequently Asked Questions


COSW and ITWO have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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.

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

COSW has the higher dividend yield at 19.61%, compared with 7.30% for ITWO.

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

Portfolio Optimizer

Find the right allocation for COSW and ITWO

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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