<SEC-DOCUMENT>0001193125-19-257688-index.html : 20190930
<SEC-HEADER>0001193125-19-257688.hdr.sgml : 20190930
<ACCEPTANCE-DATETIME>20190927175457
ACCESSION NUMBER:		0001193125-19-257688
CONFORMED SUBMISSION TYPE:	NPORT-EX
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190731
FILED AS OF DATE:		20190930

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:		NPORT-EX
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		191123310

	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
<MULTI-ACCESSION-NUMBERS>
ACCESSION NUMBER:		0001145549-19-037067
</MULTI-ACCESSION-NUMBERS>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-EX
<SEQUENCE>1
<FILENAME>d808267dnportex.htm
<DESCRIPTION>CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
<TEXT>
Document 1 - file: d808267dnportex.htm

</DOCUMENT>
</SEC-DOCUMENT>