<SEC-DOCUMENT>0001193125-20-044513-index.html : 20200221
<SEC-HEADER>0001193125-20-044513.hdr.sgml : 20200221
<ACCEPTANCE-DATETIME>20200221140916
ACCESSION NUMBER:		0001193125-20-044513
CONFORMED SUBMISSION TYPE:	486BPOS
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20200221
DATE AS OF CHANGE:		20200221
EFFECTIVENESS DATE:		20200228

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:	333-229042
		FILM NUMBER:		20638850

	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:		1940 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		20638849

	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>d761782d486bpos.htm
<DESCRIPTION>CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
<TEXT>
Document 1 - file: d761782d486bpos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.N
<SEQUENCE>2
<FILENAME>d761782dex99n.htm
<DESCRIPTION>CONSENT OF AUDITORS
<TEXT>
Document 2 - file: d761782dex99n.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.R.1
<SEQUENCE>3
<FILENAME>d761782dex99r1.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 3 - file: d761782dex99r1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.S.4
<SEQUENCE>4
<FILENAME>d761782dex99s4.htm
<DESCRIPTION>POWER OF ATTORNEY FOR KAREN L. STUCKEY AND CHRISTOPHER M. TOUB
<TEXT>
Document 4 - file: d761782dex99s4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g761782callogo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g761782callogo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g761782dsp270.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g761782dsp270.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g761782g78l31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g761782g78l31.jpg

</DOCUMENT>
</SEC-DOCUMENT>