Calamos Bitcoin 80 Series Structured Alt… (CBTA) Performance

Cboe BZX: CBTATotal returns, calendar years, drawdowns and risk since 2025.

CBTA total return

Distributions reinvested · as of Oct 23, 2026
YTD
−12.3%
since Dec 31, 2025
1 year
−22.6%
total return
Since first price
−1.9%
since 2025

CBTA trailing returns vs SPY, QQQ, AGG

CBTA trailing returns
PeriodCBTA total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month−1.0%−1.0%−1.0%−5.0%+0.9%
3 months+15.6%+15.6%+3.2%+1.9%−0.4%
6 months+6.0%+6.0%+7.8%+8.4%−1.5%
YTD−12.3%−12.3%+12.3%+15.1%−1.0%
1 year−22.6%−23.3%+14.4%+15.9%−1.1%
Since inceptionApr 7, 2025−1.9%−2.7%———

Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.

Growth of $10,000: CBTA vs SPY

CBTAS&P 500 (SPY)

From Apr 7, 2025: CBTA grew to $9,809, SPY to $15,317.

Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.

CBTA returns by calendar year

CBTASPY

2026 is year to date.

CBTA annual returns table

CBTA calendar-year returns
YearCBTALargest dropSPYQQQAGG
2026YTD−12.3%−34.4%+12.3%+15.1%−1.0%

Largest drop = deepest fall from a high within that calendar year.

Calendar-year return vs largest drop within the year

Calendar-year returnLargest drop within the year

Most years include a sizable fall at some point even when the year ends higher.

CBTA largest drawdowns

Now 26.7% below the high
CBTA largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Oct 6, 2025−39.8%Jun 30, 2026not yet9 months1.0 years so far

Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.

CBTA risk statistics

CBTA risk statistics
StatisticSince 2025
Annualized return−7.9%
Volatility (annualized)27.3%
Sharpe ratio-0.30
Sortino ratio-0.38
Best month+13.2%
Worst month−19.4%
Best 12 months−17.3%
Worst 12 months−34.8%
Positive months47%
Beta vs S&P 500—
Correlation with S&P 500—

From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.

CBTA rolling returns

CBTA rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year7−34.8%−24.5%−17.3%0%

Every holding period starting at a month-end since 2025. Returns for 3 years and longer are annualized.

CBTA performance overview

Calamos Bitcoin 80 Series Structured Alt… (CBTA) returned −22.6% over the past year, with distributions reinvested. Since its first recorded price on Apr 7, 2025 it has returned −1.9%. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −39.8%, from Oct 6, 2025 to Jun 30, 2026; the fund has not yet regained that high. Volatility has been 27.3% a year.

Related: CBTA chart, CBTA dividends. See the CBTA overview for the latest quote and fund facts.

CBTA performance FAQ

What is the CBTA return over the past year?

CBTA returned −22.6% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 23.3%.

How much would $10,000 invested in CBTA be worth?

$10,000 invested in CBTA at its first recorded close on April 7, 2025 would be worth about $9,809 on October 23, 2026 with distributions reinvested.

What is the biggest drawdown of CBTA?

The largest peak-to-trough decline was −39.8% between October 6, 2025 and June 30, 2026. It has not yet recovered to that high; it is 26.7% below its peak.

How volatile is CBTA?

Over the past history CBTA had an annualized volatility of 27.3% and a Sharpe ratio of -0.30 (excess return over 1–3 month T-bills per unit of risk).