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 Defiance Daily Target 2X Long ALAB ETF, Defiance Daily Target 2X Long APLD ETF, Defiance Daily Target 2X Long AVAV ETF, Defiance Daily Target 2X Long JOBY ETF, Defiance Daily Target 2X Long KTOS ETF, Defiance Daily Target 2X Long NBIS ETF, Defiance Daily Target 2X Long NVTS ETF, Defiance Daily Target 2X Long OSCR ETF, Defiance Daily Target 2X Long PONY ETF, Defiance Daily Target 2X Long RCAT ETF, Defiance Daily Target 2X Long AEO ETF, Defiance Daily Target 2X Long BLSH ETF, Defiance Daily Target 2X Long DASH ETF, Defiance Daily Target 2X Long MRNA ETF, Defiance Daily Target 2X Long RBRK ETF, Defiance Daily Target 2X Long ANET ETF, Defiance Daily Target 2X Long ARM ETF, Defiance Daily Target 2X Long UBER ETF, Defiance Daily Target 2X Long MSTR ETF, Defiance Daily Target 2X Long AVGO ETF, Defiance Daily Target 2X Long SMCI ETF, Defiance Daily Target 2X Long LLY ETF, Defiance Daily Target 2X Long NVO ETF and Defiance 2X Daily Long Pure Quantum 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. 730 to the Trust’s Registration Statement on Form N-1A on August 24, 2026.

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

Sincerely,

/s/ David Mathews

David Mathews

Senior Counsel II

Tidal Investments LLC, on behalf of Tidal Trust II