<SEC-DOCUMENT>0001193125-14-137242.txt : 20140409
<SEC-HEADER>0001193125-14-137242.hdr.sgml : 20140409
<ACCEPTANCE-DATETIME>20140409171904
ACCESSION NUMBER:		0001193125-14-137242
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20140409
DATE AS OF CHANGE:		20140409
EFFECTIVENESS DATE:		20140409

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:	333-173767
		FILM NUMBER:		14754118

	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>d710181d497.htm
<DESCRIPTION>497
<TEXT>
<HTML><HEAD>
<TITLE>497</TITLE>
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 <BODY BGCOLOR="WHITE">
 <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> <SMALL>AND</SMALL> I<SMALL>NCOME</SMALL> F<SMALL>UND</SMALL> </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Supplement
dated April&nbsp;9, 2014 to the Prospectus and </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Statement of Additional Information, each dated March&nbsp;1, 2014 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Effective April&nbsp;30, 2014, Mr.&nbsp;Jeff Scudieri will no longer be a member of the investment team managing the Calamos Convertible Opportunities and
Income Fund. All references to Mr.&nbsp;Scudieri are hereby deleted from the Prospectus and Statement of Additional Information as of that date. </P>
<P STYLE="margin-top:36pt; 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:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">CHISPT 04/14 </P>
</BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
