<SEC-DOCUMENT>0001193125-19-320867-index.html : 20191220
<SEC-HEADER>0001193125-19-320867.hdr.sgml : 20191220
<ACCEPTANCE-DATETIME>20191220160021
ACCESSION NUMBER:		0001193125-19-320867
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20191220
DATE AS OF CHANGE:		20191220
EFFECTIVENESS DATE:		20191220

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
		CENTRAL INDEX KEY:			0001171471
		IRS NUMBER:				030426532
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-229042
		FILM NUMBER:		191301099

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
		BUSINESS PHONE:		6302451046

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d835550d497.htm
<DESCRIPTION>CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
<TEXT>
Document 1 - file: d835550d497.htm

</DOCUMENT>
</SEC-DOCUMENT>