Registration No. 333-201935

Investment Company Act of 1940 File No. 811-23029

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	X
Post-Effective Amendment No. 76	X

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940	X
Amendment No. 78	X
(Check Appropriate Box or Boxes)

_____________________

PRINCIPAL EXCHANGE-TRADED FUNDS

(Exact Name of Registrant as Specified in Charter)

_____________________

711 High Street

Des Moines, IA 50392

(Address of Principal Executive Offices)

(515) 235-1209

(Registrant’s Telephone Number, including Area Code)

_____________________

Name and Address of Agent for Service:

Britney L. Schnathorst

Principal Financial Group

Des Moines, IA 50392

_________________

Approximate Date of Proposed Public Offering: Immediately

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

_XX_    immediately upon filing pursuant to paragraph (b)

____    on (date) pursuant to paragraph (b)

____    60 days after filing pursuant to paragraph (a)

____    on (date) pursuant to paragraph (a)

____    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.

Title of Securities Being Registered: Shares of Principal Active Global Dividend Income, Principal Contrarian Value Index, Principal EDGE Active Income, Principal Healthcare Innovators Index, Principal International Multi-Factor Index, Principal Investment Grade Corporate Active, Principal Millennials Index, Principal Price Setters Index, Principal Shareholder Yield Index, Principal Spectrum Preferred Securities Active, Principal Sustainable Momentum Index, Principal U.S. Mega-Cap Multi-Factor Index and Principal U.S. Small-Cap Multi-Factor Index ETFs.

EXPLANATORY NOTE

This filing relates to the Registrant’s prospectus dated November 1, 2018 for shares of Principal Active Global Dividend Income, Principal Contrarian Value Index, Principal EDGE Active Income, Principal Healthcare Innovators Index, Principal International Multi-Factor Index, Principal Investment Grade Corporate Active, Principal Millennials Index, Principal Price Setters Index, Principal Shareholder Yield Index, Principal Spectrum Preferred Securities Active, Principal Sustainable Momentum Index, Principal U.S. Mega-Cap Multi-Factor Index and Principal U.S. Small-Cap Multi-Factor Index ETFs, which were included in 1933 Act Post-Effective Amendment No. 74 (as filed on October 26, 2018, SEC Accession No. 0001572661-18-000159), and is filed for the purpose of submitting interactive data files.

SIGNATURES
Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Fund certifies that it meets all of the requirements for effectiveness of this registration statement under rule 485(b) under the Securities Act and has duly caused this registration statement to be signed on its behalf by the undersigned, duly authorized, in the city of Des Moines and State of Iowa, on the 16th day of November, 2018.
	Principal Exchange-Traded Funds
	(Registrant)
	/s/ M. J. Beer _____________________________________ M. J. Beer Director, President and Chief Executive Officer
Attest: /s/ Beth Wilson ______________________________________ Beth Wilson Vice President and Secretary

Pursuant to the requirements of the Securities Act of 1933, this Amendment to the Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.
Signature	Title	Date
/s/ M. J. Beer __________________________ M. J. Beer	Director, President and Chief Executive Officer (Principal Executive Officer)	November 16, 2018
/s/ T. W. Bollin __________________________ T. W. Bollin	Chief Financial Officer (Principal Financial Officer)	November 16, 2018
/s/ S. L. Reece __________________________ S. L. Reece	Vice President and Controller (Controller)	November 16, 2018
(E. Ballantine)* __________________________ E. Ballantine	Trustee	November 16, 2018
(L. T. Barnes)* __________________________ L. T. Barnes	Trustee	November 16, 2018
(C. Damos)* __________________________ C. Damos	Trustee	November 16, 2018
(N. M. Everett)* __________________________ N. M. Everett	Chair	November 16, 2018
(M. A. Grimmett)* __________________________ M. A. Grimmett	Trustee	November 16, 2018
(P. G. Halter)* __________________________ P. G. Halter	Trustee	November 16, 2018
(F. S. Hirsch)* __________________________ F. S. Hirsch	Trustee	November 16, 2018
(T. Huang)* __________________________ T. Huang	Trustee	November 16, 2018
(K. McMillan)* __________________________ K. McMillan	Trustee	November 16, 2018
(E. A. Nickels)* __________________________ E. A. Nickels	Trustee	November 16, 2018
(M. M. VanDeWeghe)* __________________________ M. M. VanDeWeghe	Trustee	November 16, 2018
*Pursuant to Power of Attorney appointing M. J. Beer Previously Filed as Ex-99(j)(ii) on February 6, 2015 (Accession No. 0001572661-15-000008), for E. A. Nickels on October 27, 2015 (Accession No. 0001572661-15-000049), for. P. G. Halter on January 19, 2018 (Accession No. 0001572661-18-000005), and for M. M. VanDeWeghe on 08/31/2018 (Accession No. 0001572661-18-000128).

Exhibit No.Exhibits

Ex-101.INS    XBRL Instance Document

Ex-101.SCH    XBRL Taxonomy Extension Schema Document

Ex-101.CAL    XBRL Taxonomy Extension Calculations Linkbase Document

Ex-101.DEF    XBRL Taxonomy Extension Definition Linkbase Document

Ex-101.LAB    XBRL Taxonomy Extension Label Linkbase Document

Ex-101.PRE    XBRL Taxonomy Extension Presentation Linkbase Document