# Calamos Bitcoin 80 Series Structured Alt Protection ETF - January — new fund registration

Calamos ETF Trust registered fund series on Form 485APOS, filed 2025-09-29. Featured series: Calamos Bitcoin 80 Series Structured Alt Protection ETF - January.

## Registration

- Registrant / trust: Calamos ETF Trust
- CIK: 0001579881
- Form: 485APOS
- Filed: 2025-09-29
- State of incorporation: DE
- Accession: 0001104659-25-094378
- Reported net assets: $21.9M

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Calamos Bitcoin 80 Series Structured Alt Protection ETF - January](https://search.stillhousedata.com/fund/S000090058) | Calamos Bitcoin 80 Series Structured Alt Protection ETF - January | — | — |
| [Calamos Bitcoin 80 Series Structured Alt Protection ETF - April](https://search.stillhousedata.com/fund/S000090059) | Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | — | — |
| [Calamos Bitcoin 80 Series Structured Alt Protection ETF - July](https://search.stillhousedata.com/fund/S000090060) | Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | — | — |
| [Calamos Bitcoin 80 Series Structured Alt Protection ETF - October](https://search.stillhousedata.com/fund/S000090061) | Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | — | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.69%
- Management fee: 0.69%
- Other expenses: 0.00%

## Investment objective

Calamos Bitcoin 80 Series Structured Alt Protection ETF ? January (the "Fund") seeks to provide investment results that, before taking total fund operating fees and expenses into account, track the positive price return of the CME CF Bitcoin Reference Rate New York Variant ("BRRNY") ("Spot bitcoin"). As described below, the Fund seeks to achieve its investment objective through investments in over-the-counter Options ("OTC Options") and/or, if and when available, FLexible EXchange Options ("FLEX Options") and/or listed exchange traded options ("Listed Options"). The FLEX Options and/or Listed…

## Advisers

- [Calamos Advisors LLC (Advisor)](https://search.stillhousedata.com/firm/105758)

## Other filings by this registrant (15)

- [485APOS — 2026-07-31 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-089292)
- [485APOS — 2026-07-31 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-089180)
- [485APOS — 2026-04-07 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-040498)
- [485APOS — 2026-04-07 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-040487)
- [485APOS — 2026-01-28 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-007366)
- [485APOS — 2026-01-28 (1 new series)](https://search.stillhousedata.com/launch/0001104659-26-007375)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094376)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094377)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094374)
- [485APOS — 2025-08-22 (1 new series)](https://search.stillhousedata.com/launch/0001104659-25-081943)
- [485APOS — 2025-08-20](https://search.stillhousedata.com/launch/0001104659-25-080971)
- [485APOS — 2025-07-16 (1 new series)](https://search.stillhousedata.com/launch/0001104659-25-068250)

## More

- [Registrant profile: Calamos ETF Trust](https://search.stillhousedata.com/registrant/1579881)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001104659-25-094378.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.