CPSA vs. CBOJ

Last updated Aug 2, 2026

CPSA (Calamos S&P 500 Structured Alt Protection ETF - August) and CBOJ (Calamos Bitcoin Structured Alt Protection ETF - January) are both Defined Outcome funds from Calamos - CPSA tracks the MerQube Cap Protect US Lrg Cap PR Index - Aug while CBOJ tracks the CBOE Bitcoin US ETF Index. Both are passively managed. Over the past year, CPSA returned 6.25% vs -5.78% for CBOJ. Their 0.41 correlation means their historical movements had little consistent relationship. Both charge a 0.69% expense ratio.

Performance

CPSA vs. CBOJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) and Calamos Bitcoin Structured Alt Protection ETF - January (CBOJ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CPSA achieves a 3.65% return, which is significantly higher than CBOJ's -1.75% return.

CPSA

• 1D: 0.17%
• 1M: 0.47%
• 6M: 3.14%
• YTD: 3.65%
• 1Y: 6.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 7.16%

CBOJ

• 1D: -0.34%
• 1M: 0.03%
• 6M: -1.58%
• YTD: -1.75%
• 1Y: -5.78%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -1.69%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	$97.19K	$74.47K	$86.67K
CPSA Calamos S&P 500 Structured Alt Protection ETF - August	$119.05K	$109.06K	$94.91K

CPSA vs. CBOJ - Yearly Performance Comparison

	2026 (YTD)	2025
CPSA Calamos S&P 500 Structured Alt Protection ETF - August	3.65%	6.54%
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	-1.75%	-0.83%

Correlation

The correlation between CPSA and CBOJ is 0.41, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.41
Correlation (All Time) Calculated using the full available price history since Jan 22, 2025	0.41

Return for Risk

CPSA vs. CBOJ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

CPSA

CPSA Risk / Return Rank: 96
CPSA Sharpe Ratio Rank: 96
CPSA Sortino Ratio Rank: 97
CPSA Omega Ratio Rank: 96
CPSA Calmar Ratio Rank: 93
CPSA Martin Ratio Rank: 96

CBOJ

CBOJ Risk / Return Rank: 2
CBOJ Sharpe Ratio Rank: 0
CBOJ Sortino Ratio Rank: 1
CBOJ Omega Ratio Rank: 1
CBOJ Calmar Ratio Rank: 3
CBOJ Martin Ratio Rank: 4

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

CPSA vs. CBOJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) and Calamos Bitcoin Structured Alt Protection ETF - January (CBOJ). 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.

	CPSA	CBOJ	Difference
Sharpe ratio: Return per unit of total volatility	3.08	-1.30	+4.39
Sortino ratio: Return per unit of downside risk	4.96	-1.74	+6.70
Omega ratio: Gain probability vs. loss probability	1.66	0.80	+0.86
Calmar ratio: Return relative to maximum drawdown	4.46	-0.73	+5.19
Martin ratio: Return relative to average drawdown	25.46	-1.04	+26.50

CPSA vs. CBOJ - Sharpe Ratio Comparison

The current CPSA Sharpe Ratio is 3.08, which is higher than the CBOJ Sharpe Ratio of -1.30. The chart below compares the historical Sharpe Ratios of CPSA and CBOJ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CPSA vs. CBOJ - Drawdown Comparison

The maximum CPSA drawdown since its inception was -4.72%, smaller than the maximum CBOJ drawdown of -8.44%. Use the drawdown chart below to compare losses from any high point for CPSA and CBOJ.

Drawdown Indicators

	CPSA	CBOJ	Difference
Max Drawdown Largest peak-to-trough decline	-4.72%	-8.44%	+3.72%
Max Drawdown (1Y) Largest decline over 1 year	-1.47%	-8.44%	+6.97%
Current Drawdown Current decline from peak	0.00%	-8.06%	+8.06%
Average Drawdown Average peak-to-trough decline	-0.36%	-3.63%	+3.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.26%	5.95%	-5.69%

Volatility

CPSA vs. CBOJ - Volatility Comparison

The current volatility for Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) is 0.26%, while Calamos Bitcoin Structured Alt Protection ETF - January (CBOJ) has a volatility of 0.71%. This indicates that CPSA experiences smaller price fluctuations and is considered to be less risky than CBOJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CPSA	CBOJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.26%	0.71%	-0.45%
Volatility (6M) Calculated over the trailing 6-month period	1.70%	2.31%	-0.61%
Volatility (1Y) Calculated over the trailing 1-year period	2.14%	4.75%	-2.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.99%	4.41%	-0.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.99%	4.41%	-0.42%

CPSA vs. CBOJ - Expense Ratio Comparison

Both CPSA and CBOJ have an expense ratio of 0.69%.

Dividends

CPSA vs. CBOJ - Dividend Comparison

CPSA has not paid dividends to shareholders, while CBOJ's dividend yield for the trailing twelve months is around 3.21%.

Position	TTM	2025
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	3.21%	3.16%
CPSA Calamos S&P 500 Structured Alt Protection ETF - August	0.00%	0.00%

Frequently Asked Questions

Can I hold both CPSA and CBOJ in my portfolio?

CPSA and CBOJ have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CPSA or CBOJ?

CBOJ has higher volatility (0.71%) compared to CPSA (0.26%). In terms of maximum drawdown, CPSA dropped -4.72% vs CBOJ's -8.44%.

Which ETF is better, CPSA or CBOJ?

On 1-year performance, CPSA leads with 6.25% vs -5.78% for CBOJ. Both ETFs have the same 0.69% expense ratio. On volatility, CPSA has been the lower-risk option at 0.26%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CPSA or CBOJ?

Over the 1-year period, CPSA has performed better with a 6.25% return vs -5.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CPSA or CBOJ?

CPSA and CBOJ have the same expense ratio: 0.69% per year.

Which ETF pays a higher dividend yield, CPSA or CBOJ?

CBOJ has the higher dividend yield at 3.21%, compared with 0.00% for CPSA.

What is the main difference between CPSA and CBOJ?

CPSA tracks MerQube Cap Protect US Lrg Cap PR Index - Aug, while CBOJ tracks CBOE Bitcoin US ETF Index.

Which has better risk-adjusted returns?

CPSA currently has the higher Sharpe Ratio (3.08 vs -1.30), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.