Post-Effective Amendment to Post-Effective Amendment by Investment Company (Form 485BXT)

AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 30, 2025

1933 Act Registration File No.: 333-264478

1940 Act File No.: 811-23793

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	☒
Pre-Effective Amendment No.	☐
Post Effective Amendment No. 504	☒
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 507	☒

TIDAL TRUST II

(Exact Name of Registrant as Specified in Charter)

c/o Tidal ETF Services LLC

234 West Florida Street, Suite 203

Milwaukee, Wisconsin 53204

(Address of Principal Executive Offices, Zip Code)

(Registrant's Telephone Number, including Area Code) (855) 843-2534

The Corporation Trust Company

1209 Orange Street

Corporation Trust Center

Wilmington, DE 19801

(Name and Address of Agent for Service)

Copies to:

Eric W. Falkeis Tidal ETF Services LLC 234 West Florida Street, Suite 203 Milwaukee, Wisconsin 53204

Domenick Pugliese Sullivan & Worcester LLP 1251 Avenue of the Americas, 19th Floor New York, NY 10020

Approximate date of proposed public offering: As soon as practicable after the effective date of this registration statement.

It is proposed that this filing will become effective (check appropriate box):

☐		immediately upon filing pursuant to paragraph (b)
☒		on January 8, 2026, pursuant to paragraph (b)
☐		60 days after filing pursuant to paragraph (a)(1)
☐		on (date) pursuant to paragraph (a)(1)
☐		75 days after filing pursuant to paragraph (a)(2)
☐		on (date) pursuant to paragraph (a)(2) of rule 485

If appropriate, check the following box:

☒

this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

EXPLANATORY NOTE

Designation of New Effective Date for Previously Filed Amendment

Post-Effective Amendment No. 439 (the "Amendment") was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933 on October 8, 2025, and pursuant to Rule 485(a)(2) would have become effective on December 22, 2025.

Post-Effective Amendment No. 497 was filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating January 2, 2026, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 504 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating January 8, 2026, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 504 incorporates by reference the information contained in Parts A, B, and C of the Amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, (the "Securities Act") and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Post-Effective Amendment No. 504 to its Registration Statement on Form N-1A under Rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment No. 504 to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Milwaukee, State of Wisconsin, on December 30, 2025.

Tidal Trust II

By: /s/ Eric W. Falkeis

Eric W. Falkeis

Principal Executive Officer

Pursuant to the requirements of the Securities Act, this Post-Effective Amendment No. 504 to its Registration Statement has been signed below by the following persons in the capacities indicated on December 30, 2025.

Signature		Title
/s/ Eric W. Falkeis		Principal Executive Officer
Eric W. Falkeis
/s/ Dave Norris*		Trustee
David Norris
/s/ Michelle McDonough*		Trustee
Michelle McDonough
/s/ Javier Marquina*		Trustee
Javier Marquina
/s/ Aaron Perkovich		Treasurer (principal financial officer and principal accounting officer)
Aaron Perkovich

*By: /s/ Eric W. Falkeis

Eric W. Falkeis, Attorney in Fact

By Power of Attorney