CBOJ vs. CBOA

Last updated Aug 4, 2026

CBOJ (Calamos Bitcoin Structured Alt Protection ETF - January) and CBOA (Calamos Bitcoin Structured Alt Protection ETF - April) are both Defined Outcome funds from Calamos tracking the CBOE Bitcoin US ETF Index. Both are passively managed. Over the past year, CBOJ returned -5.58% vs -6.13% for CBOA. Their correlation of 0.83 means they have usually moved in the same direction. Both charge a 0.69% expense ratio.

Performance

CBOJ vs. CBOA - Performance Comparison

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

Returns By Period

In the year-to-date period, CBOJ achieves a -1.54% return, which is significantly higher than CBOA's -5.89% return.

CBOJ

• 1D: 0.21%
• 1M: 0.24%
• 6M: -0.55%
• YTD: -1.54%
• 1Y: -5.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -1.55%

CBOA

• 1D: 0.19%
• 1M: 0.66%
• 6M: -3.74%
• YTD: -5.89%
• 1Y: -6.13%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -0.74%

*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)
CBOA Calamos Bitcoin Structured Alt Protection ETF - April	$71.18K	$40.89K	$29.04K
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	$91.16K	$69.82K	$86.34K

CBOJ vs. CBOA - Yearly Performance Comparison

	2026 (YTD)	2025
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	-1.54%	-0.12%
CBOA Calamos Bitcoin Structured Alt Protection ETF - April	-5.89%	5.22%

Correlation

The correlation between CBOJ and CBOA is 0.85, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.85
Correlation (All Time) Calculated using the full available price history since Apr 7, 2025	0.83

The correlation between CBOJ and CBOA has been stable across timeframes, ranging from 0.83 to 0.85 - a consistent structural relationship.

Return for Risk

CBOJ vs. CBOA — Risk / Return Rank

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

CBOJ

CBOJ Risk / Return Rank: 2
CBOJ Sharpe Ratio Rank: 1
CBOJ Sortino Ratio Rank: 2
CBOJ Omega Ratio Rank: 2
CBOJ Calmar Ratio Rank: 4
CBOJ Martin Ratio Rank: 5

CBOA

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

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.

CBOJ vs. CBOA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin Structured Alt Protection ETF - January (CBOJ) and Calamos Bitcoin Structured Alt Protection ETF - April (CBOA). 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.

	CBOJ	CBOA	Difference
Sharpe ratio: Return per unit of total volatility	-1.18	-1.12	-0.06
Sortino ratio: Return per unit of downside risk	-1.58	-1.44	-0.14
Omega ratio: Gain probability vs. loss probability	0.82	0.82	0.00
Calmar ratio: Return relative to maximum drawdown	-0.66	-0.69	+0.03
Martin ratio: Return relative to average drawdown	-0.94	-1.18	+0.24

CBOJ vs. CBOA - Sharpe Ratio Comparison

The current CBOJ Sharpe Ratio is -1.18, which is comparable to the CBOA Sharpe Ratio of -1.12. The chart below compares the historical Sharpe Ratios of CBOJ and CBOA, 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

CBOJ vs. CBOA - Drawdown Comparison

The maximum CBOJ drawdown since its inception was -8.44%, smaller than the maximum CBOA drawdown of -8.92%. Use the drawdown chart below to compare losses from any high point for CBOJ and CBOA.

Drawdown Indicators

	CBOJ	CBOA	Difference
Max Drawdown Largest peak-to-trough decline	-8.44%	-8.92%	+0.48%
Max Drawdown (1Y) Largest decline over 1 year	-8.44%	-8.92%	+0.48%
Current Drawdown Current decline from peak	-7.86%	-7.74%	-0.12%
Average Drawdown Average peak-to-trough decline	-3.64%	-3.08%	-0.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.97%	5.21%	+0.76%

Volatility

CBOJ vs. CBOA - Volatility Comparison

The current volatility for Calamos Bitcoin Structured Alt Protection ETF - January (CBOJ) is 0.71%, while Calamos Bitcoin Structured Alt Protection ETF - April (CBOA) has a volatility of 1.03%. This indicates that CBOJ experiences smaller price fluctuations and is considered to be less risky than CBOA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CBOJ	CBOA	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.71%	1.03%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	2.32%	4.11%	-1.79%
Volatility (1Y) Calculated over the trailing 1-year period	4.75%	5.50%	-0.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.40%	5.01%	-0.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.40%	5.01%	-0.61%

CBOJ vs. CBOA - Expense Ratio Comparison

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

Dividends

CBOJ vs. CBOA - Dividend Comparison

CBOJ's dividend yield for the trailing twelve months is around 3.20%, more than CBOA's 2.38% yield.

Position	TTM	2025
CBOA Calamos Bitcoin Structured Alt Protection ETF - April	2.38%	2.24%
CBOJ Calamos Bitcoin Structured Alt Protection ETF - January	3.20%	3.16%

Frequently Asked Questions

Can I hold both CBOJ and CBOA in my portfolio?

CBOJ and CBOA have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CBOJ or CBOA?

CBOA has higher volatility (1.03%) compared to CBOJ (0.71%). In terms of maximum drawdown, CBOJ dropped -8.44% vs CBOA's -8.92%.

Which ETF is better, CBOJ or CBOA?

On 1-year performance, CBOJ leads with -5.58% vs -6.13% for CBOA. Both ETFs have the same 0.69% expense ratio. On volatility, CBOJ has been the lower-risk option at 0.71%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CBOJ or CBOA?

Over the 1-year period, CBOJ has performed better with a -5.58% return vs -6.13%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CBOJ or CBOA?

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

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

CBOJ has the higher dividend yield at 3.20%, compared with 2.38% for CBOA.

What is the main difference between CBOJ and CBOA?

Both ETFs track CBOE Bitcoin US ETF Index.

Which has better risk-adjusted returns?

CBOA currently has the higher Sharpe Ratio (-1.12 vs -1.18), 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.