Calamos ETF Trust
10/01/2025 | Press release | Distributed by Public on 10/01/2025 10:23
Prospectus Certification by Investment Company (Form 497J)
October 1, 2025
VIA EDGAR
Filing Desk
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Re: Calamos ETF Trust (the "Trust") (File Nos. 333-191151 and 811-22887)
Ladies and Gentlemen:
On behalf of the Trust, and pursuant to the Securities Act of 1933, as amended (the "Securities Act"), and Rule 497(j) thereunder, we hereby represent that the definitive forms of the Trust's Prospectus and Statement of Additional Information related to its series, Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF, each dated September 29, 2025, that would have been filed pursuant to the requirements of Rule 497(c) under the Securities Act, would not have differed from those contained in the Trust's Post-Effective Amendment No. 64 to its Registration Statement on Form N-1A, which was filed electronically with the Securities and Exchange Commission pursuant to Rule 485(b) under the Securities Act on September 26, 2025.
If you have any questions concerning this filing, please call me at 630-245-8394.
| Sincerely, | |
| /s/ J. Christopher Jackson | |
| J. Christopher Jackson, Esq. | |
| Assistant Secretary of the Trust |
| cc: | John P. Calamos, Sr. |
|
Erik D. Ojala, Esq. Susan L. Schoenberger, Esq. Paulita Pike, Esq., Ropes & Gray LLP Rita Rubin, Esq., Ropes & Gray LLP Lawrence Zmerega, Esq., Ropes & Gray LLP |
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