CBTA vs. MSTZ

Last updated Jul 15, 2026

CBTA (Calamos Bitcoin 80 Series Structured Alt Protection ETF - April) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - CBTA is a Defined Outcome fund tracking the CBOE Bitcoin US ETF Index, while MSTZ is a Inverse Equities fund actively managed by REX. CBTA is passively managed, while MSTZ is actively managed. Over the past year, CBTA returned -34.84% vs 266.72% for MSTZ. At a correlation of -0.79, they often move in opposite directions. CBTA charges 0.69%/yr vs 1.05%/yr for MSTZ.

Performance

CBTA vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CBTA achieves a -24.25% return, which is significantly higher than MSTZ's -31.90% return.

CBTA

• 1D: 2.08%
• 1M: 0.70%
• 6M: -29.23%
• YTD: -24.25%
• 1Y: -34.84%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: -11.25%
• 1M: 29.92%
• 6M: -7.52%
• YTD: -31.90%
• 1Y: 266.72%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CBTA vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025
CBTA Calamos Bitcoin 80 Series Structured Alt Protection ETF - April	-24.25%	11.82%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-31.90%	32.33%

Correlation

The correlation between CBTA and MSTZ is -0.81, 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 (1Y) Calculated over the trailing 1-year period	-0.81
Correlation (All Time) Calculated using the full available price history since Apr 7, 2025	-0.79

The correlation between CBTA and MSTZ has been stable across timeframes, ranging from -0.81 to -0.79 - a consistent structural relationship.

Return for Risk

CBTA vs. MSTZ — Risk / Return Rank

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

CBTA

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

MSTZ

MSTZ Risk / Return Rank: 65
MSTZ Sharpe Ratio Rank: 71
MSTZ Sortino Ratio Rank: 65
MSTZ Omega Ratio Rank: 66
MSTZ Calmar Ratio Rank: 77
MSTZ Martin Ratio Rank: 46

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.

CBTA vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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.

	CBTA	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	-1.19	1.81	-3.00
Sortino ratio: Return per unit of downside risk	-1.73	2.41	-4.13
Omega ratio: Gain probability vs. loss probability	0.80	1.31	-0.52
Calmar ratio: Return relative to maximum drawdown	-0.88	3.16	-4.04
Martin ratio: Return relative to average drawdown	-1.48	6.14	-7.62

CBTA vs. MSTZ - Sharpe Ratio Comparison

The current CBTA Sharpe Ratio is -1.19, which is lower than the MSTZ Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of CBTA and MSTZ, 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

CBTA vs. MSTZ - Drawdown Comparison

The maximum CBTA drawdown since its inception was -39.83%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for CBTA and MSTZ.

Drawdown Indicators

	CBTA	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-39.83%	-99.38%	+59.55%
Max Drawdown (1Y) Largest decline over 1 year	-39.83%	-84.89%	+45.06%
Current Drawdown Current decline from peak	-36.74%	-97.68%	+60.94%
Average Drawdown Average peak-to-trough decline	-15.05%	-94.54%	+79.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.52%	43.66%	-20.14%

Volatility

CBTA vs. MSTZ - Volatility Comparison

The current volatility for Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) is 6.11%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 57.19%. This indicates that CBTA experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CBTA	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.11%	57.19%	-51.08%
Volatility (6M) Calculated over the trailing 6-month period	23.10%	135.18%	-112.08%
Volatility (1Y) Calculated over the trailing 1-year period	29.37%	148.74%	-119.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.23%	171.04%	-143.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.23%	171.04%	-143.81%

CBTA vs. MSTZ - Expense Ratio Comparison

CBTA has a 0.69% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

CBTA vs. MSTZ - Dividend Comparison

CBTA's dividend yield for the trailing twelve months is around 1.18%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025
CBTA Calamos Bitcoin 80 Series Structured Alt Protection ETF - April	1.18%	0.89%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%

Frequently Asked Questions

Can I hold both CBTA and MSTZ in my portfolio?

CBTA and MSTZ have a correlation of -0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CBTA or MSTZ?

MSTZ has higher volatility (57.19%) compared to CBTA (6.11%). In terms of maximum drawdown, CBTA dropped -39.83% vs MSTZ's -99.38%.

Which ETF is better, CBTA or MSTZ?

On 1-year performance, MSTZ leads with 266.72% vs -34.84% for CBTA. On fees, CBTA is cheaper at 0.69% per year. On volatility, CBTA has been the lower-risk option at 6.11%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CBTA or MSTZ?

Over the 1-year period, MSTZ has performed better with a 266.72% return vs -34.84%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CBTA or MSTZ?

CBTA is cheaper with a 0.69% expense ratio, compared with 1.05% for MSTZ.

Which ETF pays a higher dividend yield, CBTA or MSTZ?

CBTA has the higher dividend yield at 1.18%, compared with 0.00% for MSTZ.

What is the main difference between CBTA and MSTZ?

CBTA is categorized as Defined Outcome, while MSTZ is Inverse Equities. They also come from different issuers: Calamos and REX. Their fees differ too: 0.69% for CBTA and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.81 vs -1.19), 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.