CBTO vs. CPSM
CBTO (Calamos Bitcoin 80 Series Structured Alt Protection ETF - October) and CPSM (Calamos S&P 500 Structured Alt Protection ETF - May) are both Defined Outcome funds from Calamos. Both are actively managed. At a 0.40 correlation, their price movements are largely independent. Both charge a 0.69% expense ratio.
Performance
CBTO vs. CPSM - Performance Comparison
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Returns By Period
In the year-to-date period, CBTO achieves a -8.23% return, which is significantly lower than CPSM's 2.27% return.
CBTO
- 1D
- -0.16%
- 1M
- -2.76%
- YTD
- -8.23%
- 6M
- -11.17%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CPSM
- 1D
- -0.06%
- 1M
- 0.71%
- YTD
- 2.27%
- 6M
- 2.72%
- 1Y
- 5.88%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CBTO vs. CPSM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
CBTO Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | -8.23% | -13.81% |
CPSM Calamos S&P 500 Structured Alt Protection ETF - May | 2.27% | 1.09% |
Correlation
The correlation between CBTO and CPSM is 0.40, 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 Oct 8, 2025 | 0.40 |
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Return for Risk
CBTO vs. CPSM — Risk / Return Rank
CBTO
CPSM
CBTO vs. CPSM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) and Calamos S&P 500 Structured Alt Protection ETF - May (CPSM). 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
| CBTO | CPSM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | — | 3.78 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -2.36 | 1.54 | -3.90 |
Drawdowns
CBTO vs. CPSM - Drawdown Comparison
The maximum CBTO drawdown since its inception was -21.08%, which is greater than CPSM's maximum drawdown of -5.19%. Use the drawdown chart below to compare losses from any high point for CBTO and CPSM.
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Drawdown Indicators
| CBTO | CPSM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.08% | -5.19% | -15.89% |
Max Drawdown (1Y)Largest decline over 1 year | — | -0.45% | — |
Current DrawdownCurrent decline from peak | -21.08% | -0.06% | -21.02% |
Average DrawdownAverage peak-to-trough decline | -14.93% | -0.20% | -14.73% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.10% | — |
Volatility
CBTO vs. CPSM - Volatility Comparison
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Volatility by Period
| CBTO | CPSM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.35% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 1.14% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 12.88% | 1.57% | +11.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.88% | 5.10% | +7.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.88% | 5.10% | +7.78% |
CBTO vs. CPSM - Expense Ratio Comparison
Both CBTO and CPSM have an expense ratio of 0.69%.
Dividends
CBTO vs. CPSM - Dividend Comparison
CBTO's dividend yield for the trailing twelve months is around 0.24%, while CPSM has not paid dividends to shareholders.
| Position | TTM | 2025 |
|---|---|---|
CBTO Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | 0.24% | 0.22% |
CPSM Calamos S&P 500 Structured Alt Protection ETF - May | 0.00% | 0.00% |
Frequently Asked Questions
CBTO and CPSM 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.
Both ETFs have the same 0.69% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
CBTO and CPSM have the same expense ratio: 0.69% per year.
CBTO has the higher dividend yield at 0.24%, compared with 0.00% for CPSM.
Find the right allocation for CBTO and CPSM
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