Tidal Trust II

234 West Florida Street, Suite 700

Milwaukee, Wisconsin 53204

August 13, 2026

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission (the “Commission”)

Division of Investment Management

100 F Street, N.E.

Washington, DC 20549

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 XFUNDS 1-3 Month BOX 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 10, 2026, and filed electronically as Post-Effective Amendment No. 722 to the Trust’s Registration Statement on Form N-1A on August 10, 2026.

If you have any questions or require further information, please contact Princess Kludjeson at (262) 272-0476 or pkludjeson@tidalfg.com.

Sincerely, 

/s/ Princess Kludjeson

Princess Kludjeson

Senior Counsel I

Tidal Investments LLC, on behalf of Tidal Trust II