OBTC vs. CBOL

Last updated Jun 6, 2026

OBTC (Osprey Bitcoin Trust) and CBOL (Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF) are both exchange-traded funds - OBTC is a Cryptocurrency fund tracking the Bitcoin (BTC), while CBOL is a Defined Outcome fund actively managed by Calamos. OBTC is passively managed, while CBOL is actively managed. Their correlation of 0.92 suggests significant overlap in exposure. OBTC charges 0.49%/yr vs 0.79%/yr for CBOL.

Performance

OBTC vs. CBOL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Osprey Bitcoin Trust (OBTC) and Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF (CBOL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OBTC achieves a -31.16% return, which is significantly lower than CBOL's -2.45% return.

OBTC

• 1D: -5.16%
• 1M: -26.03%
• YTD: -31.16%
• 6M: -29.55%
• 1Y: -32.02%
• 3Y*: 55.06%
• 5Y*: 6.73%
• 10Y*: —

CBOL

• 1D: -0.34%
• 1M: -1.33%
• YTD: -2.45%
• 6M: -2.62%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OBTC vs. CBOL - Yearly Performance Comparison

	2026 (YTD)	2025
OBTC Osprey Bitcoin Trust	-31.16%	-17.13%
CBOL Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF	-2.45%	-2.47%

Correlation

The correlation between OBTC and CBOL is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 15, 2025	0.92

Return for Risk

OBTC vs. CBOL — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OBTC

OBTC Risk / Return Rank: 3
OBTC Sharpe Ratio Rank: 3
OBTC Sortino Ratio Rank: 4
OBTC Omega Ratio Rank: 4
OBTC Calmar Ratio Rank: 4
OBTC Martin Ratio Rank: 3

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OBTC vs. CBOL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Osprey Bitcoin Trust (OBTC) and Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF (CBOL). 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.

	OBTC	CBOL	Difference
Sharpe ratio: Return per unit of total volatility	-0.72	—	—
Sortino ratio: Return per unit of downside risk	-0.89	—	—
Omega ratio: Gain probability vs. loss probability	0.90	—	—
Calmar ratio: Return relative to maximum drawdown	-0.67	—	—
Martin ratio: Return relative to average drawdown	-1.26	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	OBTC	CBOL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.72	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.12	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.23	-1.94	+1.71

Drawdowns

OBTC vs. CBOL - Drawdown Comparison

The maximum OBTC drawdown since its inception was -94.50%, which is greater than CBOL's maximum drawdown of -5.05%. Use the drawdown chart below to compare losses from any high point for OBTC and CBOL.

Drawdown Indicators

	OBTC	CBOL	Difference
Max Drawdown Largest peak-to-trough decline	-94.50%	-5.05%	-89.45%
Max Drawdown (1Y) Largest decline over 1 year	-48.14%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-48.14%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-83.76%	—	—
Current Drawdown Current decline from peak	-65.62%	-5.05%	-60.57%
Average Drawdown Average peak-to-trough decline	-69.62%	-3.23%	-66.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.40%	—	—

Volatility

Volatility by Period

	OBTC	CBOL	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.93%	—	—
Volatility (6M) Calculated over the trailing 6-month period	34.48%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	44.58%	3.88%	+40.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	58.14%	3.88%	+54.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	71.55%	3.88%	+67.67%

OBTC vs. CBOL - Expense Ratio Comparison

OBTC has a 0.49% expense ratio, which is lower than CBOL's 0.79% expense ratio.

Dividends

OBTC vs. CBOL - Dividend Comparison

OBTC has not paid dividends to shareholders, while CBOL's dividend yield for the trailing twelve months is around 1.83%.

Position	TTM	2025
CBOL Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF	1.83%	1.79%
OBTC Osprey Bitcoin Trust	0.00%	0.00%

Frequently Asked Questions

Can I hold both OBTC and CBOL in my portfolio?

With a correlation of 0.92, OBTC and CBOL move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, OBTC or CBOL?

On fees, OBTC is cheaper at 0.49% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, OBTC or CBOL?

OBTC is cheaper with a 0.49% expense ratio, compared with 0.79% for CBOL.

Which ETF pays a higher dividend yield, OBTC or CBOL?

CBOL has the higher dividend yield at 1.83%, compared with 0.00% for OBTC.

What is the main difference between OBTC and CBOL?

OBTC is categorized as Cryptocurrency, while CBOL is Defined Outcome. They also come from different issuers: Osprey Funds and Calamos. Their fees differ too: 0.49% for OBTC and 0.79% for CBOL.