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Beyond the Coupon: How to Evaluate a Growing Autocallable ETF Category

Matt Kaufman
July 30, 2026

Autocallables are entering a new chapter.

For decades, these equity-linked income strategies largely lived in the structured-note market. Today, they are moving into the ETF wrapper—bringing a familiar institutional payoff to a broader range of investors through a more accessible, daily-liquid format.

The opportunity is real. Autocallable notes represent 43.8% of the total outstanding structured-note volume, while the autocallable and equity-linked income ETF segment reached roughly $2.43 billion in assets at the end of June 2026.1 The category is emerging within a $200B+ derivative-income landscape spanning ETFs and structured notes.2

For advisors, the next step is not just recognizing the category’s growth. It is knowing how to evaluate the opportunity with confidence.

Here are seven questions worth asking about any autocallable income ETF:

  1. What is the underlying reference asset, and how has it behaved through market stress?
  2. Can I see the historical performance data, coupon reliability, and principal impairment?
  3. Where are the coupon and principal barriers, and how does the note tenor affect the outcome?
  4. What drives the coupon, and how stable has it been?
  5. How is exposure diversified across time?
  6. Who prices and values the portfolio each day?
  7. How are distributions taxed, and what income remains after tax?

At Calamos, these questions shaped our approach from the start.

In June 2025, we launched Calamos Autocallable Income ETF (CAIE) and Calamos Nasdaq® Autocallable Income ETF (CAIQ)—the world’s first autocallable income ETFs—built on purpose-designed, volatility-targeted reference indexes. Each strategy seeks high, stable, tax-efficient income through standardized, weekly laddered exposure to 52+ autocallables.

The point of a disciplined structure is not to eliminate risk. It is to make the risks understandable, measurable, and appropriate for the income potential investors seek.

It begins with evidence. The MerQube benchmarks underlying CAIE and CAIQ, the MerQube US Large-Cap Vol Advantage Autocallable Index and the MerQube Nasdaq-100 Vol Advantage Autocallable Index, have illustrated histories back to 2005. In historical analysis, both benchmarks paid 96% of scheduled coupons. The MerQube Nasdaq-100 Vol Advantage Autocallable Index had no maturity-barrier breaches; the MerQube US Large-Cap Vol Advantage Autocallable Index saw 2.7% of notes breached their principal barrier, including a -17% principal loss in the cited historical analysis. Past results do not guarantee future outcomes, but history helps advisors assess how a strategy has behaved through real market stress.3

Tenor is equally important—but it is not a simple longer-is-better equation. A structure that matures too soon may not give its reference asset time to recover from a downturn. A longer tenor may provide more recovery time, while also changing coupon economics and, depending on the reference-index mechanics, the likelihood of a barrier breach. Tenor, volatility control, barrier design, and the reference asset must be evaluated together. In historical analysis of the MerQube Nasdaq-100 Vol Advantage Autocallable Index's five-year synthetic notes, no autocallables breached their principal barrier from index inception in 2005 through 2026 year-to-date.3

And after-tax income deserves the same attention as pre-tax yield. CAIE and CAIQ distributions are expected to be mostly characterized as a return of capital, which reduces the cost basis and may defer taxation until the shares are sold. Tax treatment varies by investor and year.

Autocallable ETFs can give advisors a new way to pursue income tied to equity-market dynamics rather than traditional credit or duration exposure. The category’s potential is significant—and so is the responsibility to understand what sits beneath the headline coupon.

That is the standard Calamos brings to the category: nearly five decades of options and convertible expertise, the largest convertible manager in the United States, and a commitment to making sophisticated strategies more transparent and usable through the ETF wrapper.

Read the MerQube white paper: Autocallable Income Comes of Age: A Systematic Framework Beyond Bonds and Covered Calls

Learn more about CAIE and CAIQ: Visit the Calamos Autocallable Income ETF product page



Sources

1 Structured Products Intelligence, How Buffer and Autocallable ETFs are Reshaping the Structured Note Market, July 2, 2026

2 Source: Morningstar, as of 06/30/26. “Derivative Income” is categorized by Morningstar as encompassing ETFs and mutual funds that primarily use options to generate income, typically through strategies like covered call writing.

3 Source: MerQube.com, as of 7/23/26. Data as of 5/27/05 for MerQube Nasdaq-100® Vol Advantage Autocallable Index (MQAUTOQL), and MerQube US Large-Cap Vol Advantage Autocallable Index (MQAUTOCL).

Before investing, carefully consider the fund’s investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-866-363-9219. Read it carefully before investing.

An investment in the Fund is subject to risks, and you could lose money on your investment in the Fund. There can be no assurance that the Fund will achieve its investment objective. Your investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. The Fund also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Autocallable Income ETF and the Calamos Nasdaq® Autocallable Income ETF include: autocallable structure risk, contingent income risk, early redemption risk, barrier risk, authorized participant concentration risk, calculation methodology risk, cash holdings risk, correlation risk, costs of buying and selling fund shares, counterparty risk, credit risk, derivatives risk, equity securities risk, index risk, interest rate risk, investment in a subsidiary, laddered portfolio risk, liquidity risk, market maker risk, market risk, new fund risk, non-diversification risk, premium-discount risk, secondary market trading risk, swap agreement risk, tax risk, trading issues risk, valuation risk, and volatility target index risk.

Autocallable Structure Risk–The Fund’s returns are correlated to the performance of a synthetic portfolio of autocallable notes tracked by the Laddered Autocall Index.

Contingent Income Risk: Coupon payments from the Autocalls are not guaranteed and will not be made if the Underlying Index falls below the Coupon Barrier on observation dates. This means the Fund may generate significantly less income than anticipated during market downturns.

Early Redemption Risk: Autocalls in the Portfolio may be called before their scheduled maturity if the Underlying Reference Index reaches or exceeds the Autocall Barrier on observation dates. This automatic early redemption could force reinvestment of that portion of the portfolio at lower rates if market yields have declined.

Barrier Risk: If the Underlying Reference Index falls below the Protection Level Barrier at the maturity of an Autocall in the Portfolio, that portion of the Portfolio will be fully exposed to the negative performance of the Underlying Reference Index from its initial level. This conditional protection creates a binary outcome that can result in sudden, significant losses if barriers are breached.

Weighted Average Coupon: The weighted average coupon of all autocallables as of last operation date.

Distribution yield is calculated by annualizing the Fund's most recent distribution paid and dividing by the Fund's NAV as of the date of the period presented. Distributions may include interest and/or dividend income that represents the income accrued by the Fund during the period and are not guaranteed. Distribution Yield is based on distributions made in the past and therefore may not be reflective of the Fund's current portfolio.

Nasdaq® and Nasdaq-100® are registered trademarks of Nasdaq, Inc. (which with its affiliates is referred to as the “Corporations”) and are licensed for use by Calamos Advisors LLC. The Fund has not been passed on by the Corporations as to their legality or suitability. The Fund is not issued, endorsed, sold, or promoted by the Corporations. The Corporations make no warranties and bear no liability with respect to the Fund(s).

The MerQube US Large Cap Vol Advantage Index is designed to provide volatility adjusted exposure to E-Mini S&P 500 futures contracts by targeting an implied volatility of 35%, subject to a 6% decrement per annum. Unlike traditional equity indices that maintain fixed allocations, this index dynamically adjusts exposure based on market volatility conditions. During calm or typical market environments, the Index increases exposure to equity futures while during volatile market periods, the Index reduces exposure to equity futures. Unlike other volatility target indices that rebalance daily based on realized volatility, this Index rebalances weekly (at the end of each week) based on one-week implied volatility derived from SPY weekly options prices. This approach seeks to maintain a more consistent risk profile across varying market conditions while potentially reducing drawdowns during market stress and improving risk-adjusted returns over time. The Index is a rules-based, systematic index designed to provide dynamic exposure to US large-capitalization equities while employing a volatility management methodology that seeks to maintain a target volatility level. The Index dynamically adjusts exposure between the Equity Component and a cash position based on prevailing market volatility conditions.

The MerQube Nasdaq-100 Vol Advantage Autocallable Index is designed to reflect the collective performance of a theoretical portfolio of 52 to 260 synthetic Autocallables arranged in a laddered structure with staggered entry points with similar fixed parameters (the “Parameters”) as described below within the section entitled “Autocallable Index Portfolio Characteristics”. The Nasdaq-100 Index® is a stock market index made up of equity securities issued by 100 of the largest non-financial companies listed on the Nasdaq stock exchange. It is a modified capitalization weighted index.

Neither MerQube, Inc. nor any of its affiliates (collectively, “MerQube”) is the issuer or producer of Calamos Autocallable Income ETF (“CAIE”) and MerQube has no duties, responsibilities, or obligations to investors in CAIE. The index underlying CAIE is a product of MerQube and has been licensed for use by Calamos Advisors LLC. Such index is calculated using, among other things, market data or other information (“Input Data”) from one or more sources (each such source, a “Data Provider”). MerQube® is a registered trademark of MerQube, Inc. This trademark has been licensed for certain purposes by Calamos Advisors LLC in its capacity as the issuer of CAIE. CAIE is not sponsored, endorsed, sold or promoted by MerQube, any Data Provider, or any other third party, and none of such parties make any representation regarding the advisability of investing in securities generally or in CAIE particularly, nor do they have any liability for any errors, omissions, or interruptions of the Input Data, MerQube US Large-Cap Vol Advantage Index (“MQUSLVA”), MerQube US Large-Cap Vol Advantage Autocallable Index (“MQAUTOCL”), or any associated data.

Neither MerQube, Inc. nor any of its affiliates (collectively, “MerQube”) is the issuer or producer of Calamos Nasdaq® Autocallable Income ETF (“CAIQ”) and MerQube has no duties, responsibilities, or obligations to investors in CAIQ. The index underlying CAIQ is a product of MerQube and has been licensed for use by Calamos Advisors LLC. Such index is calculated using, among other things, market data or other information (“Input Data”) from one or more sources (each such source, a “Data Provider”). MerQube® is a registered trademark of MerQube, Inc. This trademark has been licensed for certain purposes by Calamos Advisors LLC in its capacity as the issuer of CAIQ. CAIQ is not sponsored, endorsed, sold or promoted by MerQube, any Data Provider, or any other third party, and none of such parties make any representation regarding the advisability of investing in securities generally or in CAIQ particularly, nor do they have any liability for any errors, omissions, or interruptions of the Input Data, MerQube Nasdaq-100® Vol Advantage Index (“MQUSQVA”), MerQube Nasdaq-100® Vol Advantage Autocallable Index (“MQAUTOQL”), or any associated data.