AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 9, 2018.

No. 333-221046

No. 811-23304

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. 23	☒

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940

Amendment No. 24 ☒

(Check appropriate box or boxes)

Invesco Exchange-Traded Self-Indexed Fund Trust

(Exact Name of Registrant as Specified in Charter)

3500 Lacey Road, Suite 700, Downers Grove, Illinois 60515

(Address of Principal Executive Office)

Registrant’s Telephone Number, including Area Code: (800) 983-0903

Anna Paglia, Esquire

3500 Lacey Road, Suite 700, Downers Grove, Illinois 60515

(Name and Address of Agent for Service)

With Copies to:

Alan P. Goldberg Stradley Ronon Stevens & Young, LLP 191 North Wacker Drive, Suite 1601 Chicago, Illinois 60606 Eric S. Purple Stradley Ronon Stevens & Young, LLP 1250 Connecticut Ave, NW, Suite 500 Washington, DC 20036

APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING:

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

☒ immediately upon filing pursuant to paragraph (b) of Rule 485.

☐ on [date] pursuant to paragraph (b) of Rule 485.

☐ 60 days after filing pursuant to paragraph (a)(1) of Rule 485.

☐ On [date] pursuant to paragraph (a)(1) of Rule 485.

☐ 75 days after filing pursuant to paragraph (a)(2) of Rule 485.

☐ on [date] pursuant to paragraph (a)(2) of Rule 485.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, 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) under the Securities Act of 1933, as amended, and has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Downers Grove and State of Illinois, on the 9th day of October, 2018.

Invesco Exchange-Traded Self-Indexed Fund Trust
By:	/s/ Daniel E. Draper
	Daniel E. Draper
Title:	President

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.    

SIGNATURE	TITLE	DATE
/s/ Daniel E. Draper	President	October 9, 2018
Daniel E. Draper
/s/ Kelli Gallegos	Treasurer	October 9, 2018
Kelli Gallegos
/s/ Anna Paglia	Secretary	October 9, 2018
Anna Paglia
*/s/ Ronn R. Bagge	Trustee	October 9, 2018
Ronn R. Bagge
*/s/ Todd J. Barre	Trustee	October 9, 2018
Todd J. Barre
*/s/ Kevin M. Carome	Trustee	October 9, 2018
Kevin M. Carome
*/s/ Marc M. Kole	Trustee	October 9, 2018
Marc M. Kole
*/s/ Yung Bong Lim	Trustee	October 9, 2018
Yung Bong Lim
*/s/ Gary R. Wicker	Trustee	October 9, 2018
Gary R. Wicker
*/s/ Donald H. Wilson	Chairman and Trustee	October 9, 2018
Donald H. Wilson
*By: /s/ Anna Paglia		October 9, 2018
Anna Paglia
Attorney-In-Fact

* Anna Paglia signs on behalf of the powers of attorney filed with the initial N-1A to the Trust’s Registration Statement and incorporated by reference herein.

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase