<SEC-DOCUMENT>0001193125-15-228595-index.html : 20150619
<SEC-HEADER>0001193125-15-228595.hdr.sgml : 20150619
<ACCEPTANCE-DATETIME>20150619135802
ACCESSION NUMBER:		0001193125-15-228595
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20150430
FILED AS OF DATE:		20150619
DATE AS OF CHANGE:		20150619
EFFECTIVENESS DATE:		20150619

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:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		15941988

	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>
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<TYPE>N-CSRS
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<FILENAME>d921483dncsrs.htm
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<TEXT>
Document 1 - file: d921483dncsrs.htm

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<DOCUMENT>
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<DESCRIPTION>EX-99.CERT
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Document 2 - file: d921483dex99cert.htm

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<FILENAME>d921483dex99906cert.htm
<DESCRIPTION>EX-99.906CERT
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Document 3 - file: d921483dex99906cert.htm

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<DESCRIPTION>GRAPHIC
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Document 4 - file: g921483art_01shr.jpg

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Document 5 - file: g921483artcov_01shr.jpg

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Document 6 - file: g921483g72p46.jpg

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Document 7 - file: g921483g78l02.jpg

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Document 8 - file: g921483g98a98.jpg

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Document 9 - file: g921483logo_01shr.jpg

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<DESCRIPTION>GRAPHIC
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Document 10 - file: g921483logo_02shr.jpg

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Document 11 - file: g921483photo_1shr.jpg

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<TEXT>
Document 12 - file: g921483sig_01shr.jpg

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