<SEC-DOCUMENT>0000826732-14-000017-index.html : 20141230
<SEC-HEADER>0000826732-14-000017.hdr.sgml : 20141230
<ACCEPTANCE-DATETIME>20141230125954
ACCESSION NUMBER:		0000826732-14-000017
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20141031
FILED AS OF DATE:		20141230
DATE AS OF CHANGE:		20141230
EFFECTIVENESS DATE:		20141230

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		141315274

	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>NSAR-B
<SEQUENCE>1
<FILENAME>cvxbanswer.fil
<DESCRIPTION>ANSWER FILE
<TEXT>
Document 1 - file: cvxbanswer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>convertible.htm
<DESCRIPTION>AUDITOR'S LETTER
<TEXT>
Document 2 - file: convertible.htm

</DOCUMENT>
</SEC-DOCUMENT>