<SEC-DOCUMENT>0001387131-17-003387-index.html : 20170623
<SEC-HEADER>0001387131-17-003387.hdr.sgml : 20170623
<ACCEPTANCE-DATETIME>20170623113653
ACCESSION NUMBER:		0001387131-17-003387
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20170430
FILED AS OF DATE:		20170623
DATE AS OF CHANGE:		20170623
EFFECTIVENESS DATE:		20170623

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:		17926856

	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>N-CSRS
<SEQUENCE>1
<FILENAME>chi-ncsrs_043017.htm
<DESCRIPTION>CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT
<TEXT>
Document 1 - file: chi-ncsrs_043017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>ex99-cert.htm
<DESCRIPTION>CERTIFICATIONS
<TEXT>
Document 2 - file: ex99-cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>ex99-906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 3 - file: ex99-906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>chi001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: chi001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>chi002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: chi002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>chi003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: chi003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>chi004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: chi004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>chi005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: chi005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>chi006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: chi006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>chi007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: chi007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>chi008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: chi008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>chi009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: chi009.jpg

</DOCUMENT>
</SEC-DOCUMENT>