<SEC-DOCUMENT>0001193125-15-317181.txt : 20150910
<SEC-HEADER>0001193125-15-317181.hdr.sgml : 20150910
<ACCEPTANCE-DATETIME>20150910152259
ACCESSION NUMBER:		0001193125-15-317181
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150910
DATE AS OF CHANGE:		20150910
EFFECTIVENESS DATE:		20150910

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:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-196373
		FILM NUMBER:		151101078

	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>497
<SEQUENCE>1
<FILENAME>d89382d497.htm
<DESCRIPTION>497
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<TITLE>497</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>C<SMALL>ALAMOS<SUP STYLE="font-size:85%; vertical-align:top">&reg;</SUP></SMALL>
C<SMALL>ONVERTIBLE</SMALL> O<SMALL>PPORTUNITIES</SMALL> &amp; I<SMALL>NCOME</SMALL> F<SMALL>UND</SMALL> </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(&#147;<SMALL>THE</SMALL>
F<SMALL>UND</SMALL>&#148;) </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Supplement dated September 10, 2015 to the Prospectus Supplement, Prospectus </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>and the Statement of Additional Information, each dated March 1, 2015, </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>as supplemented July 2, 2015 </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Effective
immediately, Gary Black will no longer be a member of the investment team managing the Fund. Accordingly, all references to Mr. Black and his position of Global Co-CIO shall be deemed deleted from the Prospectus Supplement, Prospectus, and Statement
of Additional Information of the Fund. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Please retain this supplement for future reference. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">CHISPT2 09/15 </P>
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