<SEC-DOCUMENT>0001193125-20-061057-index.html : 20200304
<SEC-HEADER>0001193125-20-061057.hdr.sgml : 20200304
<ACCEPTANCE-DATETIME>20200304092640
ACCESSION NUMBER:		0001193125-20-061057
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20200304
DATE AS OF CHANGE:		20200304
EFFECTIVENESS DATE:		20200304

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:		20685872

	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>d761782d497.htm
<DESCRIPTION>CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
<TEXT>
Document 1 - file: d761782d497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g761782g32f52.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g761782g32f52.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g761782g78l31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g761782g78l31.jpg

</DOCUMENT>
</SEC-DOCUMENT>