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

AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 13, 2024

1933 Act Registration File No.: 333-227298

1940 Act File No.: 811-23377

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. 239	☒
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 240	☒

TIDAL ETF TRUST

(Exact Name of Registrant as Specified in Charter)

234 West Florida Street, Suite 203

Milwaukee, Wisconsin 53204

(Address of Principal Executive Offices, Zip Code)

(Registrant's Telephone Number, including Area Code) (844) 986-7676

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

Christopher M. Cahlamer Godfrey & Kahn, S.C. 833 East Michigan Street, Suite 1800 Milwaukee, Wisconsin 53202

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 December 20, 2024, 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. 232 (the "Amendment") was filed pursuant to Rule 485(a)(1) under the Securities Act of 1933 on October 17, 2024, and pursuant to Rule 485(a)(1) would have become effective on December 16, 2024.

This Post-Effective Amendment No. 239 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating December 20, 2024, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 239 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. 239 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. 239 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 13, 2024.

	Tidal ETF Trust
	By:	/s/ Eric W. Falkeis
		Eric W. Falkeis
		President

Pursuant to the requirements of the Securities Act, this Post-Effective Amendment No. 239 to its Registration Statement has been signed below by the following persons in the capacities indicated on December 13, 2024.

Signature		Title
/s/ Eric W. Falkeis		President (principal executive officer), Trustee, Chairman, and Secretary
Eric W. Falkeis
*Dusko Culafic		Trustee
Dusko Culafic
*Mark H. W. Baltimore		Trustee
Mark H. W. Baltimore
*Eduardo Mendoza		Trustee
Eduardo Mendoza
/s/ Aaron Perkovich		Treasurer (principal financial officer and principal accounting officer)
Aaron Perkovich

*By:	/s/ Eric W. Falkeis
Eric W. Falkeis,
Attorney-in-Fact

*Pursuant to Powers of Attorney filed previously.

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