<SEC-DOCUMENT>0001193125-19-073090-index.html : 20190313
<SEC-HEADER>0001193125-19-073090.hdr.sgml : 20190313
<ACCEPTANCE-DATETIME>20190313125232
ACCESSION NUMBER:		0001193125-19-073090
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20190313
DATE AS OF CHANGE:		20190313
EFFECTIVENESS DATE:		20190313

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:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-229042
		FILM NUMBER:		19677690

	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>POS EX
<SEQUENCE>1
<FILENAME>d680490dposex.htm
<DESCRIPTION>CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND
<TEXT>
Document 1 - file: d680490dposex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.H.7
<SEQUENCE>2
<FILENAME>d680490dex99h7.htm
<DESCRIPTION>DISTRIBUTION AGREEMENT
<TEXT>
Document 2 - file: d680490dex99h7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.H.8
<SEQUENCE>3
<FILENAME>d680490dex99h8.htm
<DESCRIPTION>SUB-PLACEMENT AGENT AGREEMENT
<TEXT>
Document 3 - file: d680490dex99h8.htm

</DOCUMENT>
</SEC-DOCUMENT>