<SEC-DOCUMENT>0001104659-21-003468-index.html : 20210112
<SEC-HEADER>0001104659-21-003468.hdr.sgml : 20210112
<ACCEPTANCE-DATETIME>20210112163449
ACCESSION NUMBER:		0001104659-21-003468
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210112
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210112
DATE AS OF CHANGE:		20210112

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		21523889

	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>8-K
<SEQUENCE>1
<FILENAME>a21-2195_28k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a21-2195_28k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>a21-2195_2ex3d1.htm
<DESCRIPTION>EX-3.1
<TEXT>
Document 2 - file: a21-2195_2ex3d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.2
<SEQUENCE>3
<FILENAME>a21-2195_2ex3d2.htm
<DESCRIPTION>EX-3.2
<TEXT>
Document 3 - file: a21-2195_2ex3d2.htm

</DOCUMENT>
</SEC-DOCUMENT>