CBOO vs. TDOT

Last updated Jun 24, 2026

CBOO (Calamos Bitcoin Structured Alt Protection ETF - October) and TDOT (21Shares Polkadot ETF) are both exchange-traded funds - CBOO is a Defined Outcome fund actively managed by Calamos, while TDOT is a Cryptocurrency fund tracking the DOT/USD Exchange Rate - Benchmark Price Return. CBOO is actively managed, while TDOT is passively managed. At a 0.23 correlation, their price movements are largely independent. CBOO charges 0.69%/yr vs 0.30%/yr for TDOT.

Performance

CBOO vs. TDOT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Bitcoin Structured Alt Protection ETF - October (CBOO) and 21Shares Polkadot ETF (TDOT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

CBOO

• 1D: 0.04%
• 1M: 0.16%
• YTD: 0.10%
• 6M: 0.02%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

TDOT

• 1D: -4.25%
• 1M: -29.29%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CBOO vs. TDOT - Yearly Performance Comparison

	2026 (YTD)
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	0.51%
TDOT 21Shares Polkadot ETF	-37.69%

Correlation

The correlation between CBOO and TDOT is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 6, 2026	0.23

Return for Risk

CBOO vs. TDOT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin Structured Alt Protection ETF - October (CBOO) and 21Shares Polkadot ETF (TDOT). 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.

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

Drawdowns

CBOO vs. TDOT - Drawdown Comparison

The maximum CBOO drawdown since its inception was -2.34%, smaller than the maximum TDOT drawdown of -43.45%. Use the drawdown chart below to compare losses from any high point for CBOO and TDOT.

Drawdown Indicators

	CBOO	TDOT	Difference
Max Drawdown Largest peak-to-trough decline	-2.34%	-43.45%	+41.11%
Current Drawdown Current decline from peak	-1.58%	-43.45%	+41.87%
Average Drawdown Average peak-to-trough decline	-1.60%	-21.48%	+19.88%

Volatility

Volatility by Period

	CBOO	TDOT	Difference
Volatility (1Y) Calculated over the trailing 1-year period	2.07%	64.86%	-62.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.07%	64.86%	-62.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.07%	64.86%	-62.79%

CBOO vs. TDOT - Expense Ratio Comparison

CBOO has a 0.69% expense ratio, which is higher than TDOT's 0.30% expense ratio.

Dividends

CBOO vs. TDOT - Dividend Comparison

CBOO's dividend yield for the trailing twelve months is around 0.57%, less than TDOT's 0.83% yield.

Position	TTM	2025
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	0.57%	0.57%
TDOT 21Shares Polkadot ETF	0.83%	0.00%

Frequently Asked Questions

Can I hold both CBOO and TDOT in my portfolio?

CBOO and TDOT have a correlation of 0.23, 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 TDOT?

On fees, TDOT is cheaper at 0.30% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CBOO or TDOT?

TDOT is cheaper with a 0.30% expense ratio, compared with 0.69% for CBOO.

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

TDOT has the higher dividend yield at 0.83%, compared with 0.57% for CBOO.

What is the main difference between CBOO and TDOT?

CBOO is categorized as Defined Outcome, while TDOT is Cryptocurrency. They also come from different issuers: Calamos and 21Shares. Their fees differ too: 0.69% for CBOO and 0.30% for TDOT.