CBOO vs. QB

Last updated Aug 5, 2026

CBOO (Calamos Bitcoin Structured Alt Protection ETF - October) and QB (ProShares Nasdaq-100 Dynamic Daily Buffer ETF) are both Defined Outcome funds. CBOO is actively managed, while QB is passively managed. Their 0.29 correlation means their historical movements had little consistent relationship. CBOO charges 0.69%/yr vs 0.58%/yr for QB.

Performance

CBOO vs. QB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Bitcoin Structured Alt Protection ETF - October (CBOO) and ProShares Nasdaq-100 Dynamic Daily Buffer ETF (QB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CBOO achieves a 0.43% return, which is significantly lower than QB's 15.61% return.

CBOO

• 1D: 0.00%
• 1M: 0.27%
• 6M: 0.71%
• YTD: 0.43%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

QB

• 1D: 0.85%
• 1M: 4.09%
• 6M: 15.00%
• YTD: 15.61%
• 1Y: 22.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 20.28%

*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)
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	$37.37K	$26.33K	$18.92K
QB ProShares Nasdaq-100 Dynamic Daily Buffer ETF	$54.67K	$35.27K	$152.35K

CBOO vs. QB - Yearly Performance Comparison

	2026 (YTD)	2025
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	0.43%	-1.66%
QB ProShares Nasdaq-100 Dynamic Daily Buffer ETF	15.61%	2.62%

Correlation

The correlation between CBOO and QB is 0.29, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 7, 2025	0.29

Return for Risk

CBOO vs. QB — Risk / Return Rank

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

CBOO

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

QB

QB Risk / Return Rank: 96
QB Sharpe Ratio Rank: 95
QB Sortino Ratio Rank: 96
QB Omega Ratio Rank: 97
QB Calmar Ratio Rank: 96
QB Martin Ratio Rank: 97

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.

CBOO vs. QB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin Structured Alt Protection ETF - October (CBOO) and ProShares Nasdaq-100 Dynamic Daily Buffer ETF (QB). 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.

	CBOO	QB	Difference
Sharpe ratio: Return per unit of total volatility	—	3.05	—
Sortino ratio: Return per unit of downside risk	—	4.54	—
Omega ratio: Gain probability vs. loss probability	—	1.73	—
Calmar ratio: Return relative to maximum drawdown	—	6.37	—
Martin ratio: Return relative to average drawdown	—	30.57	—

Drawdowns

CBOO vs. QB - Drawdown Comparison

The maximum CBOO drawdown since its inception was -2.34%, smaller than the maximum QB drawdown of -3.47%. Use the drawdown chart below to compare losses from any high point for CBOO and QB.

Drawdown Indicators

	CBOO	QB	Difference
Max Drawdown Largest peak-to-trough decline	-2.34%	-3.47%	+1.13%
Max Drawdown (1Y) Largest decline over 1 year	—	-3.47%	—
Current Drawdown Current decline from peak	-1.26%	0.00%	-1.26%
Average Drawdown Average peak-to-trough decline	-1.58%	-0.41%	-1.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.72%	—

Volatility

Volatility by Period

	CBOO	QB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.40%	—
Volatility (6M) Calculated over the trailing 6-month period	—	6.11%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.95%	7.29%	-5.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.95%	7.05%	-5.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.95%	7.05%	-5.10%

CBOO vs. QB - Expense Ratio Comparison

CBOO has a 0.69% expense ratio, which is higher than QB's 0.58% expense ratio.

Dividends

CBOO vs. QB - Dividend Comparison

CBOO's dividend yield for the trailing twelve months is around 0.57%, less than QB's 0.75% yield.

Position	TTM	2025
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	0.57%	0.57%
QB ProShares Nasdaq-100 Dynamic Daily Buffer ETF	0.75%	0.48%

Frequently Asked Questions

Can I hold both CBOO and QB in my portfolio?

CBOO and QB have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CBOO or QB?

On fees, QB is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CBOO or QB?

QB is cheaper with a 0.58% expense ratio, compared with 0.69% for CBOO.

Which ETF pays a higher dividend yield, CBOO or QB?

QB has the higher dividend yield at 0.75%, compared with 0.57% for CBOO.

What is the main difference between CBOO and QB?

They also come from different issuers: Calamos and ProShares. Their fees differ too: 0.69% for CBOO and 0.58% for QB.