<SEC-DOCUMENT>0001104659-25-085285-index.html : 20250829
<SEC-HEADER>0001104659-25-085285.hdr.sgml : 20250829
<ACCEPTANCE-DATETIME>20250829100125
ACCESSION NUMBER:		0001104659-25-085285
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250829
DATE AS OF CHANGE:		20250829

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS CONVERTIBLE & HIGH INCOME FUND
		CENTRAL INDEX KEY:			0001222719
		ORGANIZATION NAME:           	
		EIN:				020683363
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-285119
		FILM NUMBER:		251276987

	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>424B3
<SEQUENCE>1
<FILENAME>tm2524457d2_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2524457d2_424b3.htm

</DOCUMENT>
</SEC-DOCUMENT>