Prospectus Certification by Investment Company (Form 497J)

Tidal Trust II

234 West Florida Street, Suite 700

Milwaukee, Wisconsin 53204

August 31, 2026

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission (the "Commission")

Division of Investment Management

100 F Street, N.E.

Washington, DC 20549

File Nos. 333-264478, 811-23793

To the Commission:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and the regulations thereunder, the Trust on behalf of its series, the Roundhill Generative AI & Technology ETF, hereby certifies that the forms of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) would not have differed from that contained in the most recent amendment effective August 27, 2026, and filed electronically as Post-Effective Amendment No. 732 to the Trust's Registration Statement on Form N-1A on August 25, 2026.

If you have any questions or require further information, please contact Princess Kludjeson at (262) 272-0476 or [email protected].

Sincerely,

/s/ Princess Kludjeson

Princess Kludjeson

Senior Counsel I

Tidal Investments LLC, on behalf of Tidal Trust II