and/or

It is proposed that this filing will become effective:

If appropriate, check the following box:

This filing relates solely to the following fund, a series of ETF Opportunities Trust: Tuttle Capital 2X DBMF ETF

This Post-Effective Amendment to the Registration Statement on Form N-1A is filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating October 31, 2025 as the new effective date for Post-Effective Amendment No. 41 to the Registration Statement filed on January 31, 2023 for the Tuttle Capital 2X DBMF ETF. This Post-Effective Amendment incorporates by reference the Prospectus and Statement of Additional Information contained in Post-Effective Amendment No. 41 to the Registration Statement. This Post-Effective Amendment incorporates by reference the Part C contained in Post-Effective Amendment No. 395 to the Registration Statement.

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 registration statement under Rule 485(b) of the Securities Act and  has duly caused this Post-Effective Amendment No. 405 to the Registrant’s Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Richmond, Commonwealth of Virginia on the 2nd day of October, 2025.

ETF OPPORTUNITIES TRUST

Pursuant to the requirements of the Securities Act, this Post-Effective Amendment No. 405 to the Registration Statement on Form N-1A has been signed below by the following persons in the capacities and on the dates indicated.

*Attorney-in-fact pursuant to Powers of Attorney