    <SEC-DOCUMENT>0001193125-15-070124-index.html : 20150227
    <SEC-HEADER>0001193125-15-070124.hdr.sgml : 20150227
    <ACCEPTANCE-DATETIME>20150227165444
    ACCESSION NUMBER:		0001193125-15-070124
    CONFORMED SUBMISSION TYPE:	486BPOS
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20150227
    DATE AS OF CHANGE:		20150227
    EFFECTIVENESS DATE:		20150301

    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:		486BPOS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21080
    		FILM NUMBER:		15660109

    	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

    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:		486BPOS
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-196373
    		FILM NUMBER:		15660110

    	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>486BPOS
    <SEQUENCE>1
    <FILENAME>d850473d486bpos.htm
    <DESCRIPTION>486BPOS
    <TEXT>
    Document 1 - file: d850473d486bpos.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.N
    <SEQUENCE>2
    <FILENAME>d850473dex99n.htm
    <DESCRIPTION>EX-99.N
    <TEXT>
    Document 2 - file: d850473dex99n.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.R.1
    <SEQUENCE>3
    <FILENAME>d850473dex99r1.htm
    <DESCRIPTION>EX-99.R.1
    <TEXT>
    Document 3 - file: d850473dex99r1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.S
    <SEQUENCE>4
    <FILENAME>d850473dex99s.htm
    <DESCRIPTION>EX-99.S
    <TEXT>
    Document 4 - file: d850473dex99s.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g8504731000.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g8504731000.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g850473g26y71.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g850473g26y71.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g850473g30s09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g850473g30s09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g850473g38w02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g850473g38w02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g850473g98a98.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g850473g98a98.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>