CBXA vs. SROI

Last updated Aug 1, 2026

CBXA (Calamos Bitcoin 90 Series Structured Alt Protection ETF - April) and SROI (Calamos Antetokounmpo Global Sustainable Equities ETF) are both exchange-traded funds - CBXA is a Defined Outcome fund tracking the CBOE Bitcoin US ETF Index, while SROI is a Global Equities fund actively managed by Calamos. CBXA is passively managed, while SROI is actively managed. Over the past year, CBXA returned -25.28% vs 19.56% for SROI. Their 0.42 correlation means their historical movements had little consistent relationship. CBXA charges 0.69%/yr vs 0.95%/yr for SROI.

Performance

CBXA vs. SROI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Bitcoin 90 Series Structured Alt Protection ETF - April (CBXA) and Calamos Antetokounmpo Global Sustainable Equities ETF (SROI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CBXA achieves a -20.83% return, which is significantly lower than SROI's 11.11% return.

CBXA

• 1D: -1.08%
• 1M: 0.89%
• 6M: -18.90%
• YTD: -20.83%
• 1Y: -25.28%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -10.19%

SROI

• 1D: 0.43%
• 1M: 0.39%
• 6M: 8.09%
• YTD: 11.11%
• 1Y: 19.56%
• 3Y*: 12.91%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 13.29%

*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)
CBXA Calamos Bitcoin 90 Series Structured Alt Protection ETF - April	$43.82K	$66.75K	$66.82K
SROI Calamos Antetokounmpo Global Sustainable Equities ETF	$10.82K	$14.42K	$19.15K

CBXA vs. SROI - Yearly Performance Comparison

	2026 (YTD)	2025
CBXA Calamos Bitcoin 90 Series Structured Alt Protection ETF - April	-20.83%	9.67%
SROI Calamos Antetokounmpo Global Sustainable Equities ETF	11.11%	26.53%

Correlation

The correlation between CBXA and SROI is 0.44, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.44
Correlation (All Time) Calculated using the full available price history since Apr 7, 2025	0.42

Return for Risk

CBXA vs. SROI — Risk / Return Rank

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

CBXA

CBXA Risk / Return Rank: 1
CBXA Sharpe Ratio Rank: 0
CBXA Sortino Ratio Rank: 1
CBXA Omega Ratio Rank: 0
CBXA Calmar Ratio Rank: 2
CBXA Martin Ratio Rank: 1

SROI

SROI Risk / Return Rank: 53
SROI Sharpe Ratio Rank: 52
SROI Sortino Ratio Rank: 52
SROI Omega Ratio Rank: 50
SROI Calmar Ratio Rank: 50
SROI Martin Ratio Rank: 62

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.

CBXA vs. SROI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin 90 Series Structured Alt Protection ETF - April (CBXA) and Calamos Antetokounmpo Global Sustainable Equities ETF (SROI). 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.

	CBXA	SROI	Difference
Sharpe ratio: Return per unit of total volatility	-1.43	1.27	-2.70
Sortino ratio: Return per unit of downside risk	-2.00	1.85	-3.85
Omega ratio: Gain probability vs. loss probability	0.76	1.23	-0.47
Calmar ratio: Return relative to maximum drawdown	-0.88	1.82	-2.69
Martin ratio: Return relative to average drawdown	-1.45	7.54	-8.99

CBXA vs. SROI - Sharpe Ratio Comparison

The current CBXA Sharpe Ratio is -1.43, which is lower than the SROI Sharpe Ratio of 1.27. The chart below compares the historical Sharpe Ratios of CBXA and SROI, 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

CBXA vs. SROI - Drawdown Comparison

The maximum CBXA drawdown since its inception was -29.68%, which is greater than SROI's maximum drawdown of -15.38%. Use the drawdown chart below to compare losses from any high point for CBXA and SROI.

Drawdown Indicators

	CBXA	SROI	Difference
Max Drawdown Largest peak-to-trough decline	-29.68%	-15.38%	-14.30%
Max Drawdown (1Y) Largest decline over 1 year	-29.68%	-10.19%	-19.49%
Max Drawdown (3Y) Largest decline over 3 years	—	-15.38%	—
Current Drawdown Current decline from peak	-27.92%	-0.75%	-27.17%
Average Drawdown Average peak-to-trough decline	-10.99%	-2.39%	-8.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.94%	2.45%	+15.49%

Volatility

CBXA vs. SROI - Volatility Comparison

The current volatility for Calamos Bitcoin 90 Series Structured Alt Protection ETF - April (CBXA) is 3.14%, while Calamos Antetokounmpo Global Sustainable Equities ETF (SROI) has a volatility of 4.13%. This indicates that CBXA experiences smaller price fluctuations and is considered to be less risky than SROI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CBXA	SROI	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.14%	4.13%	-0.99%
Volatility (6M) Calculated over the trailing 6-month period	13.27%	12.24%	+1.03%
Volatility (1Y) Calculated over the trailing 1-year period	18.25%	14.55%	+3.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.59%	14.04%	+2.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.59%	14.04%	+2.55%

CBXA vs. SROI - Expense Ratio Comparison

CBXA has a 0.69% expense ratio, which is lower than SROI's 0.95% expense ratio.

Dividends

CBXA vs. SROI - Dividend Comparison

CBXA's dividend yield for the trailing twelve months is around 2.49%, more than SROI's 0.54% yield.

Position	TTM	2025	2024	2023
CBXA Calamos Bitcoin 90 Series Structured Alt Protection ETF - April	2.49%	1.97%	0.00%	0.00%
SROI Calamos Antetokounmpo Global Sustainable Equities ETF	0.54%	0.60%	0.68%	0.94%

Frequently Asked Questions

Can I hold both CBXA and SROI in my portfolio?

CBXA and SROI have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CBXA or SROI?

SROI has higher volatility (4.13%) compared to CBXA (3.14%). In terms of maximum drawdown, CBXA dropped -29.68% vs SROI's -15.38%.

Which ETF is better, CBXA or SROI?

On 1-year performance, SROI leads with 19.56% vs -25.28% for CBXA. On fees, CBXA is cheaper at 0.69% per year. On volatility, CBXA has been the lower-risk option at 3.14%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CBXA or SROI?

Over the 1-year period, SROI has performed better with a 19.56% return vs -25.28%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CBXA or SROI?

CBXA is cheaper with a 0.69% expense ratio, compared with 0.95% for SROI.

Which ETF pays a higher dividend yield, CBXA or SROI?

CBXA has the higher dividend yield at 2.49%, compared with 0.54% for SROI.

What is the main difference between CBXA and SROI?

CBXA is categorized as Defined Outcome, while SROI is Global Equities. Their fees differ too: 0.69% for CBXA and 0.95% for SROI.

Which has better risk-adjusted returns?

SROI currently has the higher Sharpe Ratio (1.27 vs -1.43), 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.