<SEC-DOCUMENT>0001193125-18-223700-index.html : 20180723
<SEC-HEADER>0001193125-18-223700.hdr.sgml : 20180723
<ACCEPTANCE-DATETIME>20180723160605
ACCESSION NUMBER:		0001193125-18-223700
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180723
DATE AS OF CHANGE:		20180723
EFFECTIVENESS DATE:		20180723

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001285650
		IRS NUMBER:				203377281
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-224205
		FILM NUMBER:		18964568

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60563
		BUSINESS PHONE:		6302451046

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60563
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d574000d497.htm
<DESCRIPTION>CALAMOS GLOBAL TOTAL RETURN FUND
<TEXT>
Document 1 - file: d574000d497.htm
</DOCUMENT> </SEC-DOCUMENT>