OARK vs. CBOX
OARK (YieldMax Innovation Option Income Strategy ETF) and CBOX (Calamos Tax-Aware Collateral ETF) are both Options Trading funds. Both are actively managed. Their -0.04 correlation means they have often moved in opposite directions in the past. OARK charges 0.99%/yr vs 0.14%/yr for CBOX.
Performance
OARK vs. CBOX - Performance Comparison
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Returns By Period
OARK
- 1D
- 3.22%
- 1M
- -4.38%
- 6M
- 8.02%
- YTD
- 3.34%
- 1Y
- 8.12%
- 3Y*
- 11.28%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 10.73%
CBOX
- 1D
- 0.08%
- 1M
- 0.46%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $7.63M | $8.26M | $7.02M | |
| $242.34K | $305.38K | $349.11K |
OARK vs. CBOX - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
OARK YieldMax Innovation Option Income Strategy ETF | 0.32% |
CBOX Calamos Tax-Aware Collateral ETF | 1.22% |
Correlation
The correlation between OARK and CBOX is -0.04, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Apr 17, 2026 | -0.04 |
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Return for Risk
OARK vs. CBOX — Risk / Return Rank
OARK
CBOX
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
OARK vs. CBOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for YieldMax Innovation Option Income Strategy ETF (OARK) and Calamos Tax-Aware Collateral ETF (CBOX). 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.
| OARK | CBOX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.07 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 0.35 | — | — |
| Martin ratioReturn relative to average drawdown | 0.78 | — | — |
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Drawdowns
OARK vs. CBOX - Drawdown Comparison
The maximum OARK drawdown since its inception was -35.48%, which is greater than CBOX's maximum drawdown of -2.90%. Use the drawdown chart below to compare losses from any high point for OARK and CBOX.
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Drawdown Indicators
| OARK | CBOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.48% | -2.90% | -32.58% |
Max Drawdown (1Y)Largest decline over 1 year | -23.26% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -35.48% | — | — |
Current DrawdownCurrent decline from peak | -9.18% | -2.21% | -6.97% |
Average DrawdownAverage peak-to-trough decline | -10.47% | -1.49% | -8.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.41% | — | — |
Volatility
OARK vs. CBOX - Volatility Comparison
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Volatility by Period
| OARK | CBOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.90% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 21.93% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 28.90% | 7.72% | +21.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.86% | 7.72% | +23.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.86% | 7.72% | +23.14% |
OARK vs. CBOX - Expense Ratio Comparison
OARK has a 0.99% expense ratio, which is higher than CBOX's 0.14% expense ratio.
Dividends
OARK vs. CBOX - Dividend Comparison
OARK's dividend yield for the trailing twelve months is around 66.11%, while CBOX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
CBOX Calamos Tax-Aware Collateral ETF | 0.00% | 0.00% | 0.00% | 0.00% |
OARK YieldMax Innovation Option Income Strategy ETF | 66.11% | 61.86% | 47.86% | 45.03% |
Frequently Asked Questions
OARK and CBOX have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CBOX is cheaper at 0.14% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CBOX is cheaper with a 0.14% expense ratio, compared with 0.99% for OARK.
OARK has the higher dividend yield at 66.11%, compared with 0.00% for CBOX.
They also come from different issuers: YieldMax and Calamos. Their fees differ too: 0.99% for OARK and 0.14% for CBOX.
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