# Calamos Nasdaq-100 Structured Alt Protection ETF - December — new fund registration

Calamos ETF Trust registered 4 new fund series on Form 485APOS, filed 2024-02-13. Featured series: Calamos Nasdaq-100 Structured Alt Protection ETF - December.

## Registration

- Registrant / trust: Calamos ETF Trust
- CIK: 0001579881
- Form: 485APOS
- Filed: 2024-02-13
- State of incorporation: DE
- Accession: 0001104659-24-022387
- Reported net assets: $32.5M

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Calamos Nasdaq-100 Structured Alt Protection ETF - December](https://search.stillhousedata.com/fund/S000084790) | Calamos Capital Protected \[ \] ETF-December | CPNQ | Yes |
| [Calamos Nasdaq-100 Structured Alt Protection ETF - June](https://search.stillhousedata.com/fund/S000084791) | Calamos Capital Protected \[ \] ETF-June | CPNJ | Yes |
| [Calamos Nasdaq-100 Structured Alt Protection ETF - March](https://search.stillhousedata.com/fund/S000084792) | Calamos Capital Protected \[ \] ETF-March | CPNM | Yes |
| [Calamos Nasdaq-100 Structured Alt Protection ETF - September](https://search.stillhousedata.com/fund/S000084793) | Calamos Capital Protected \[ \] ETF-September | CPNS | Yes |

## 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 Nasdaq-100 ? Structured Alt Protection ETF ? December (the "Fund") seeks to provide investment results that, before taking fees and expenses into account, match the positive price return of the Invesco QQQ Trust SM ?, Series 1 ("Underlying ETF") up to a cap of 7.10% (the "Cap"), while protecting against 100% of negative price return of the Underlying ETF (before fees and expenses), for the period from December 1, 2025 through November 30, 2026.

## 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/0001104659-25-094377)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094378)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094374)
- [485APOS — 2025-09-29](https://search.stillhousedata.com/launch/0001104659-25-094376)
- [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)

## More

- [Registrant profile: Calamos ETF Trust](https://search.stillhousedata.com/registrant/1579881)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001104659-24-022387.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.