Collaborative Investment Series Trust

10/27/2025 | Press release | Distributed by Public on 10/27/2025 13:12

Prospectus Certification by Investment Company (Form 497J)

October 27, 2025

Via Edgar Transmission

Securities and Exchange Commission

100 F Street, NE

Washington, D.C. 20549

Re: Collaborative Investment Series Trust, File Nos. 811-23306 and 333-221072

Ladies and Gentlemen:

This letter is being transmitted by means of electronic submission by Collaborative Investment Series Trust (the "Trust"), on behalf of the PL Growth and Income ETF, pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), and Regulation S-T.

Pursuant to Rule 497(j) under the 1933 Act, and on behalf of the Trust, I hereby certify that the form of prospectus and statement of additional information that would have been filed pursuant to Rule 497(c) under the 1933 Act would not have differed from that contained in Post-Effective Amendment No. 165 to the Trust's registration statement on Form N-1A (the "Amendment"). The text of the Amendment was filed electronically with the Securities and Exchange Commission on October 22, 2025 (Accession No. 0001999371-25-015854).

If you have any questions, please contact the undersigned at (614) 469-3353.

Very truly yours,

/s/ Andrew Davalla

Andrew Davalla

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