Calamos Launches Bitcoin Structured Alt Protection ETF - April

Calamos Etf Trust 497 Filing Summary
FieldDetail
CompanyCalamos Etf Trust
Form Type497
Filed DateMar 24, 2026
Risk Levelmedium
Pages1
Reading Time1 min
Sentimentbullish

Complexity: simple

Sentiment: bullish

Topics: ETF-launch, bitcoin, new-fund, structured-product

TL;DR

**Calamos just launched a new Bitcoin ETF with built-in protection, making it official.**

AI Summary

Calamos ETF Trust filed a 497 form on March 24, 2026, to officially register its new "Calamos Bitcoin Structured Alt Protection ETF - April" (Series S000090115, Class C000256996). This filing confirms the fund's existence and its focus on Bitcoin with structured protection, making it available for investors. This matters to potential investors as it signals the launch of a new investment vehicle offering exposure to Bitcoin with a built-in protection strategy, potentially appealing to those seeking crypto exposure with reduced downside risk.

Why It Matters

This filing confirms the official registration and impending availability of a new ETF, providing investors with a structured way to gain exposure to Bitcoin.

Risk Assessment

Risk Level: medium — While the ETF includes 'structured alt protection,' Bitcoin's inherent volatility still makes this a medium-risk investment.

Analyst Insight

A smart investor would research the specific 'structured alt protection' features of this new Calamos Bitcoin ETF to understand its risk/reward profile compared to direct Bitcoin exposure or other crypto ETFs.

Key Numbers

  • 2026-03-24 — Filing Date (The date the 497 form was filed and became effective.)
  • 0001579881 — CIK (The Central Index Key for Calamos ETF Trust, identifying the filer.)

Key Players & Entities

  • Calamos ETF Trust (company) — the filer of the 497 form
  • Calamos Bitcoin Structured Alt Protection ETF - April (company) — the newly registered ETF
  • March 24, 2026 (date) — the filing and effectiveness date
  • 0001579881 (company) — CIK of Calamos ETF Trust
  • S000090115 (company) — Series ID for the new ETF
  • C000256996 (company) — Class/Contract ID for the new ETF

Forward-Looking Statements

  • The 'Calamos Bitcoin Structured Alt Protection ETF - April' will begin trading shortly after its March 24, 2026 effectiveness date. (Calamos Bitcoin Structured Alt Protection ETF - April) — high confidence, target: 2026-04-30

FAQ

What is the full name of the new ETF registered by Calamos ETF Trust?

The full name of the new ETF is "Calamos Bitcoin Structured Alt Protection ETF - April", as stated in the filing under Series S000090115 and Class C000256996.

When was this 497 filing made and when did it become effective?

The filing date and effectiveness date for this 497 form were both March 24, 2026, according to the "Filing Date" and "Effectiveness Date" sections.

What is the CIK number for the Calamos ETF Trust, the filer of this document?

The CIK number for Calamos ETF Trust is 0001579881, as listed in the "Series and Classes/Contracts Information" section and under "Calamos ETF Trust (Filer)".

What type of protection does the new Calamos ETF offer, as indicated by its name?

The ETF's name, "Calamos Bitcoin Structured Alt Protection ETF - April," indicates it offers "Structured Alt Protection," suggesting a mechanism to mitigate some downside risk while gaining Bitcoin exposure.

Where is the business and mailing address for Calamos ETF Trust?

Both the mailing and business address for Calamos ETF Trust are 2020 CALAMOS COURT NAPERVILLE IL 60563, as detailed in the filing.

Filing Stats: 240 words · 1 min read · ~1 pages · Grade level 11 · Accepted 2026-03-24 13:44:43

Filing Documents

From the Filing

Rule 497(e) File No. 333-191151 CALAMOS ETF TRUST (the “Trust”) Calamos Bitcoin Structured Alt Protection ETF ® – April (the “Fund”) Supplement dated March 24, 2026 to the Fund’s Prospectus dated November 28, 2025, as amended This supplement updates certain information contained in the Fund’s prospectus and should be attached to the prospectus and retained for future reference. Capitalized terms not defined herein have the same meaning as in the Fund’s prospectus. As described in the Fund’s prospectus, an investment in shares of the Fund is subject to an upside return cap (the “Cap”) that represents the maximum percentage return an investor can achieve from an investment in the Fund for the Outcome Period of approximately one year. The Fund’s current Outcome Period ends on April 7, 2026. The next Outcome Period will begin on April 8, 2026 and end on April 30, 2027 (the “Upcoming Outcome Period”). The Fund’s anticipated Cap range for the Upcoming Outcome Period beginning on April 8, 2026 is set forth below. 7.25% - 9.25% (6.56% - 8.56% after taking into account the Fund’s management fees) The Fund’s return will be further reduced by brokerage commissions, trading fees, taxes and non-routine or extraordinary expenses not included in the Fund’s management fee, as described in the prospectus. On April 8, 2026, the Fund’s prospectus will be amended to update all references to the Cap to reflect the Cap for the Upcoming Outcome Period, as described above.

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