Tidal Trust II

234 West Florida Street, Suite 700

Milwaukee, Wisconsin 53204

June 12, 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 Defiance Daily 2X Space 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 June 10, 2026, and filed electronically as Post-Effective Amendment No. 630 to the Trust’s Registration Statement on Form N-1A on June 10, 2026.

If you have any questions or require further information, please contact David Mathews at (262) 240-4657 or dmathews@tidalfg.com.

Sincerely,

David Mathews

SVP of Legal Services

Tidal Investments LLC, on behalf of Tidal Trust II