SETH vs. CBOO

Last updated Jun 4, 2026

SETH (ProShares Short Ether Strategy ETF) and CBOO (Calamos Bitcoin Structured Alt Protection ETF - October) are both exchange-traded funds - SETH is a Cryptocurrency fund tracking the Bloomberg Galaxy Ethereum (--100%), while CBOO is a Defined Outcome fund actively managed by Calamos. SETH is passively managed, while CBOO is actively managed. At a correlation of -0.69, they often move in opposite directions. SETH charges 0.95%/yr vs 0.69%/yr for CBOO.

Performance

SETH vs. CBOO - Performance Comparison

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

Returns By Period

In the year-to-date period, SETH achieves a 40.93% return, which is significantly higher than CBOO's -0.04% return.

SETH

• 1D: 5.62%
• 1M: 29.74%
• YTD: 40.93%
• 6M: 46.51%
• 1Y: -1.33%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CBOO

• 1D: -0.04%
• 1M: -0.00%
• YTD: -0.04%
• 6M: -0.22%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SETH vs. CBOO - Yearly Performance Comparison

	2026 (YTD)	2025
SETH ProShares Short Ether Strategy ETF	40.93%	35.77%
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	-0.04%	-1.62%

Correlation

The correlation between SETH and CBOO is -0.69, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 8, 2025	-0.69

Return for Risk

SETH vs. CBOO — Risk / Return Rank

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

SETH

SETH Risk / Return Rank: 10
SETH Sharpe Ratio Rank: 8
SETH Sortino Ratio Rank: 12
SETH Omega Ratio Rank: 12
SETH Calmar Ratio Rank: 9
SETH Martin Ratio Rank: 9

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.

SETH vs. CBOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Short Ether Strategy ETF (SETH) and Calamos Bitcoin Structured Alt Protection ETF - October (CBOO). 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.

	SETH	CBOO	Difference
Sharpe ratio: Return per unit of total volatility	-0.02	—	—
Sortino ratio: Return per unit of downside risk	0.45	—	—
Omega ratio: Gain probability vs. loss probability	1.05	—	—
Calmar ratio: Return relative to maximum drawdown	-0.02	—	—
Martin ratio: Return relative to average drawdown	-0.04	—	—
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

	SETH	CBOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.02	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.45	-1.19	+0.74

Drawdowns

SETH vs. CBOO - Drawdown Comparison

The maximum SETH drawdown since its inception was -80.74%, which is greater than CBOO's maximum drawdown of -2.34%. Use the drawdown chart below to compare losses from any high point for SETH and CBOO.

Drawdown Indicators

	SETH	CBOO	Difference
Max Drawdown Largest peak-to-trough decline	-80.74%	-2.34%	-78.40%
Max Drawdown (1Y) Largest decline over 1 year	-56.01%	—	—
Current Drawdown Current decline from peak	-61.29%	-1.72%	-59.57%
Average Drawdown Average peak-to-trough decline	-54.79%	-1.61%	-53.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	35.77%	—	—

Volatility

Volatility by Period

	SETH	CBOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.81%	—	—
Volatility (6M) Calculated over the trailing 6-month period	46.07%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	68.54%	2.14%	+66.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	69.53%	2.14%	+67.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.53%	2.14%	+67.39%

SETH vs. CBOO - Expense Ratio Comparison

SETH has a 0.95% expense ratio, which is higher than CBOO's 0.69% expense ratio.

Dividends

SETH vs. CBOO - Dividend Comparison

SETH's dividend yield for the trailing twelve months is around 10.91%, more than CBOO's 0.57% yield.

Position	TTM	2025	2024	2023
CBOO Calamos Bitcoin Structured Alt Protection ETF - October	0.57%	0.57%	0.00%	0.00%
SETH ProShares Short Ether Strategy ETF	10.91%	7.01%	3.44%	0.38%

Frequently Asked Questions

Can I hold both SETH and CBOO in my portfolio?

SETH and CBOO have a correlation of -0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SETH or CBOO?

On fees, CBOO is cheaper at 0.69% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SETH or CBOO?

CBOO is cheaper with a 0.69% expense ratio, compared with 0.95% for SETH.

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

SETH has the higher dividend yield at 10.91%, compared with 0.57% for CBOO.

What is the main difference between SETH and CBOO?

SETH is categorized as Cryptocurrency, while CBOO is Defined Outcome. They also come from different issuers: ProShares and Calamos. Their fees differ too: 0.95% for SETH and 0.69% for CBOO.