COSW vs. FIYY
COSW (Roundhill COST WeeklyPay ETF) and FIYY (GraniteShares YieldBOOST 20Y+ Treasuries ETF) are both Derivative Income funds. Both are actively managed. At a correlation of -0.11, they often move in opposite directions. COSW charges 0.99%/yr vs 1.07%/yr for FIYY.
Performance
COSW vs. FIYY - Performance Comparison
Loading charts...
Returns By Period
COSW
- 1D
- 3.90%
- 1M
- -5.40%
- 6M
- -3.14%
- YTD
- 9.32%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
FIYY
- 1D
- 0.04%
- 1M
- -0.45%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
COSW vs. FIYY - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
COSW Roundhill COST WeeklyPay ETF | -8.75% |
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF | -1.79% |
Correlation
The correlation between COSW and FIYY is -0.11, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since May 5, 2026 | -0.11 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
COSW vs. FIYY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roundhill COST WeeklyPay ETF (COSW) and GraniteShares YieldBOOST 20Y+ Treasuries ETF (FIYY). 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.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
Loading charts...
Drawdowns
COSW vs. FIYY - Drawdown Comparison
The maximum COSW drawdown since its inception was -20.01%, which is greater than FIYY's maximum drawdown of -2.51%. Use the drawdown chart below to compare losses from any high point for COSW and FIYY.
Loading charts...
Drawdown Indicators
| COSW | FIYY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.01% | -2.51% | -17.50% |
Current DrawdownCurrent decline from peak | -16.77% | -1.91% | -14.86% |
Average DrawdownAverage peak-to-trough decline | -5.99% | -1.50% | -4.49% |
Volatility
COSW vs. FIYY - Volatility Comparison
Loading charts...
Volatility by Period
| COSW | FIYY | Difference | |
|---|---|---|---|
Volatility (1Y)Calculated over the trailing 1-year period | 26.16% | 4.95% | +21.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.16% | 4.95% | +21.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.16% | 4.95% | +21.21% |
COSW vs. FIYY - Expense Ratio Comparison
COSW has a 0.99% expense ratio, which is lower than FIYY's 1.07% expense ratio.
Dividends
COSW vs. FIYY - Dividend Comparison
COSW's dividend yield for the trailing twelve months is around 21.43%, more than FIYY's 1.13% yield.
| Position | TTM | 2025 |
|---|---|---|
COSW Roundhill COST WeeklyPay ETF | 21.43% | 4.96% |
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF | 1.13% | 0.00% |
Frequently Asked Questions
COSW and FIYY have a correlation of -0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, COSW is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.
COSW is cheaper with a 0.99% expense ratio, compared with 1.07% for FIYY.
COSW has the higher dividend yield at 21.43%, compared with 1.13% for FIYY.
They also come from different issuers: Roundhill and GraniteShares. Their fees differ too: 0.99% for COSW and 1.07% for FIYY.
Find the right allocation for COSW and FIYY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer