<SEC-DOCUMENT>0001445546-18-005247-index.html : 20181130
<SEC-HEADER>0001445546-18-005247.hdr.sgml : 20181130
<ACCEPTANCE-DATETIME>20181130142201
ACCESSION NUMBER:		0001445546-18-005247
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20181130
DATE AS OF CHANGE:		20181130
EFFECTIVENESS DATE:		20181130

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST TRUST EXCHANGE-TRADED ALPHADEX FUND
		CENTRAL INDEX KEY:			0001383496
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-140895
		FILM NUMBER:		181210856

	BUSINESS ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
		BUSINESS PHONE:		630-765-8000

	MAIL ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000032963
<SERIES-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000101702
<CLASS-CONTRACT-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FMK
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>fmk_497k.htm
<DESCRIPTION>SUMMARY PROSPECTUS
<TEXT>
Document 1 - file: fmk_497k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>fmk_dgf.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: fmk_dgf.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img2f1741991.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img2f1741991.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>imgf56b73bc2.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: imgf56b73bc2.gif

</DOCUMENT>
</SEC-DOCUMENT>