RBLY vs. COYY
RBLY (YieldMax RBLX Option Income Strategy ETF) and COYY (GraniteShares YieldBOOST COIN ETF) are both Derivative Income funds. Both are actively managed. At a 0.33 correlation, their price movements are largely independent. RBLY charges 0.99%/yr vs 1.07%/yr for COYY.
Performance
RBLY vs. COYY - Performance Comparison
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Returns By Period
In the year-to-date period, RBLY achieves a -45.56% return, which is significantly lower than COYY's -29.65% return.
RBLY
- 1D
- -1.83%
- 1M
- -8.47%
- YTD
- -45.56%
- 6M
- -50.91%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
COYY
- 1D
- -2.87%
- 1M
- -7.38%
- YTD
- -29.65%
- 6M
- -39.90%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
RBLY vs. COYY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RBLY YieldMax RBLX Option Income Strategy ETF | -45.56% | -24.82% |
COYY GraniteShares YieldBOOST COIN ETF | -29.65% | -38.98% |
Correlation
The correlation between RBLY and COYY is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jul 30, 2025 | 0.33 |
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Return for Risk
RBLY vs. COYY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for YieldMax RBLX Option Income Strategy ETF (RBLY) and GraniteShares YieldBOOST COIN ETF (COYY). 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.
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Sharpe Ratios by Period
| RBLY | COYY | Difference | |
|---|---|---|---|
Sharpe Ratio (All Time)Calculated using the full available price history | -1.25 | -1.74 | +0.49 |
Drawdowns
RBLY vs. COYY - Drawdown Comparison
The maximum RBLY drawdown since its inception was -65.81%, which is greater than COYY's maximum drawdown of -58.58%. Use the drawdown chart below to compare losses from any high point for RBLY and COYY.
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Drawdown Indicators
| RBLY | COYY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -65.81% | -58.58% | -7.23% |
Current DrawdownCurrent decline from peak | -65.42% | -58.58% | -6.84% |
Average DrawdownAverage peak-to-trough decline | -33.05% | -35.21% | +2.16% |
Volatility
RBLY vs. COYY - Volatility Comparison
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Volatility by Period
| RBLY | COYY | Difference | |
|---|---|---|---|
Volatility (1Y)Calculated over the trailing 1-year period | 52.41% | 36.39% | +16.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.41% | 36.39% | +16.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 52.41% | 36.39% | +16.02% |
RBLY vs. COYY - Expense Ratio Comparison
RBLY has a 0.99% expense ratio, which is lower than COYY's 1.07% expense ratio.
Dividends
RBLY vs. COYY - Dividend Comparison
RBLY's dividend yield for the trailing twelve months is around 127.58%, less than COYY's 386.46% yield.
| Position | TTM | 2025 |
|---|---|---|
COYY GraniteShares YieldBOOST COIN ETF | 386.46% | 132.14% |
RBLY YieldMax RBLX Option Income Strategy ETF | 127.58% | 36.84% |
Frequently Asked Questions
RBLY and COYY have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, RBLY is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.
RBLY is cheaper with a 0.99% expense ratio, compared with 1.07% for COYY.
COYY has the higher dividend yield at 386.46%, compared with 127.58% for RBLY.
They also come from different issuers: YieldMax and GraniteShares. Their fees differ too: 0.99% for RBLY and 1.07% for COYY.
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