SMCY vs. RBLY
SMCY (YieldMax SMCI Option Income Strategy ETF) and RBLY (YieldMax RBLX Option Income Strategy ETF) are both Derivative Income funds from YieldMax. Both are actively managed. At a 0.29 correlation, their price movements are largely independent. Both charge a 0.99% expense ratio.
Performance
SMCY vs. RBLY - Performance Comparison
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Returns By Period
In the year-to-date period, SMCY achieves a -2.36% return, which is significantly higher than RBLY's -42.88% return.
SMCY
- 1D
- -2.02%
- 1M
- -14.96%
- YTD
- -2.36%
- 6M
- -5.19%
- 1Y
- -33.89%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
RBLY
- 1D
- -3.37%
- 1M
- -0.18%
- YTD
- -42.88%
- 6M
- -43.12%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SMCY vs. RBLY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
SMCY YieldMax SMCI Option Income Strategy ETF | -2.36% | -44.87% |
RBLY YieldMax RBLX Option Income Strategy ETF | -42.88% | -26.39% |
Correlation
The correlation between SMCY and RBLY is 0.29, 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 29, 2025 | 0.29 |
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Return for Risk
SMCY vs. RBLY — Risk / Return Rank
SMCY
RBLY
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
SMCY vs. RBLY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for YieldMax SMCI Option Income Strategy ETF (SMCY) and YieldMax RBLX Option Income Strategy ETF (RBLY). 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.
| SMCY | RBLY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 0.96 | — | — |
| Calmar ratioReturn relative to maximum drawdown | -0.56 | — | — |
| Martin ratioReturn relative to average drawdown | -0.93 | — | — |
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Drawdowns
SMCY vs. RBLY - Drawdown Comparison
The maximum SMCY drawdown since its inception was -64.75%, roughly equal to the maximum RBLY drawdown of -66.96%. Use the drawdown chart below to compare losses from any high point for SMCY and RBLY.
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Drawdown Indicators
| SMCY | RBLY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.75% | -66.96% | +2.21% |
Max Drawdown (1Y)Largest decline over 1 year | -60.43% | — | — |
Current DrawdownCurrent decline from peak | -52.93% | -63.71% | +10.78% |
Average DrawdownAverage peak-to-trough decline | -37.34% | -34.96% | -2.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 36.46% | — | — |
Volatility
SMCY vs. RBLY - Volatility Comparison
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Volatility by Period
| SMCY | RBLY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 41.21% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 67.11% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 72.15% | 52.81% | +19.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 80.50% | 52.81% | +27.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 80.50% | 52.81% | +27.69% |
SMCY vs. RBLY - Expense Ratio Comparison
Both SMCY and RBLY have an expense ratio of 0.99%.
Dividends
SMCY vs. RBLY - Dividend Comparison
SMCY's dividend yield for the trailing twelve months is around 211.43%, more than RBLY's 133.44% yield.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
RBLY YieldMax RBLX Option Income Strategy ETF | 133.44% | 36.84% | 0.00% |
SMCY YieldMax SMCI Option Income Strategy ETF | 211.43% | 231.43% | 38.43% |
Frequently Asked Questions
SMCY and RBLY have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.99% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
SMCY and RBLY have the same expense ratio: 0.99% per year.
SMCY has the higher dividend yield at 211.43%, compared with 133.44% for RBLY.
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