<SEC-DOCUMENT>0001839882-22-013781-index.html : 20220624
<SEC-HEADER>0001839882-22-013781.hdr.sgml : 20220624
<ACCEPTANCE-DATETIME>20220624162821
ACCESSION NUMBER:		0001839882-22-013781
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20220430
FILED AS OF DATE:		20220624
DATE AS OF CHANGE:		20220624
EFFECTIVENESS DATE:		20220624

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:		221040453

	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_043022.htm
<DESCRIPTION>CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT
<TEXT>
Document 1 - file: chi-ncsrs_043022.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-99.906 CERT <SEQUENCE>3 <FILENAME>ex99-906cert.htm <DESCRIPTION>SECTION 906 CERTIFICATIONS <TEXT> Document 3 - file: ex99-906cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>chi-sar_043022img001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: chi-sar_043022img001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>chi-sar_043022img002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: chi-sar_043022img002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>chi-sar_043022img003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: chi-sar_043022img003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>chi-sar_043022img004.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: chi-sar_043022img004.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>chi-sar_043022img005.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: chi-sar_043022img005.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>chi-sar_043022img006.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: chi-sar_043022img006.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>chi-sar_043022img007.gif <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: chi-sar_043022img007.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>chi-sar_043022img008.gif <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: chi-sar_043022img008.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>chi-sar_043022img009.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: chi-sar_043022img009.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>chi-sar_043022img010.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: chi-sar_043022img010.gif
</DOCUMENT> </SEC-DOCUMENT>