OCTB vs. CBTY
OCTB (Aptus October Buffer ETF) and CBTY (Calamos Bitcoin 80 Series Structured Alt Protection ETF - July) are both Defined Outcome funds. OCTB is actively managed, while CBTY is passively managed. Their 0.40 correlation means their historical movements had little consistent relationship. OCTB charges 0.25%/yr vs 0.69%/yr for CBTY.
Performance
OCTB vs. CBTY - Performance Comparison
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Returns By Period
In the year-to-date period, OCTB achieves a 7.27% return, which is significantly higher than CBTY's -10.95% return.
OCTB
- 1D
- 0.58%
- 1M
- 0.86%
- 6M
- 6.48%
- YTD
- 7.27%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
CBTY
- 1D
- -1.59%
- 1M
- 0.01%
- 6M
- -8.24%
- YTD
- -10.95%
- 1Y
- -22.00%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -19.61%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $88.28K | $284.54K | $239.87K | |
| $58.52K | $94.12K | $66.59K |
OCTB vs. CBTY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
OCTB Aptus October Buffer ETF | 7.27% | 2.37% |
CBTY Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | -10.95% | -14.31% |
Correlation
The correlation between OCTB and CBTY is 0.40, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Oct 14, 2025 | 0.40 |
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Return for Risk
OCTB vs. CBTY — Risk / Return Rank
OCTB
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
CBTY
OCTB vs. CBTY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aptus October Buffer ETF (OCTB) and Calamos Bitcoin 80 Series Structured Alt Protection ETF - July (CBTY). 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.
| OCTB | CBTY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 0.77 | — |
| Calmar ratioReturn relative to maximum drawdown | — | -0.84 | — |
| Martin ratioReturn relative to average drawdown | — | -1.19 | — |
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Drawdowns
OCTB vs. CBTY - Drawdown Comparison
The maximum OCTB drawdown since its inception was -4.79%, smaller than the maximum CBTY drawdown of -27.79%. Use the drawdown chart below to compare losses from any high point for OCTB and CBTY.
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Drawdown Indicators
| OCTB | CBTY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -4.79% | -27.79% | +23.00% |
Max Drawdown (1Y)Largest decline over 1 year | — | -27.79% | — |
Current DrawdownCurrent decline from peak | 0.00% | -26.55% | +26.55% |
Average DrawdownAverage peak-to-trough decline | -0.66% | -16.23% | +15.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 19.67% | — |
Volatility
OCTB vs. CBTY - Volatility Comparison
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Volatility by Period
| OCTB | CBTY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 4.32% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 7.58% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 7.16% | 16.33% | -9.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.16% | 16.28% | -9.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.16% | 16.28% | -9.12% |
OCTB vs. CBTY - Expense Ratio Comparison
OCTB has a 0.25% expense ratio, which is lower than CBTY's 0.69% expense ratio.
Dividends
OCTB vs. CBTY - Dividend Comparison
OCTB has not paid dividends to shareholders, while CBTY's dividend yield for the trailing twelve months is around 1.65%.
| Position | TTM | 2025 |
|---|---|---|
CBTY Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | 1.65% | 1.47% |
OCTB Aptus October Buffer ETF | 0.00% | 0.00% |
Frequently Asked Questions
OCTB and CBTY have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, OCTB is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.
OCTB is cheaper with a 0.25% expense ratio, compared with 0.69% for CBTY.
CBTY has the higher dividend yield at 1.65%, compared with 0.00% for OCTB.
They also come from different issuers: Aptus and Calamos. Their fees differ too: 0.25% for OCTB and 0.69% for CBTY.
Find the right allocation for OCTB and CBTY
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