<SEC-DOCUMENT>0001104659-21-025838-index.html : 20210219
<SEC-HEADER>0001104659-21-025838.hdr.sgml : 20210219
<ACCEPTANCE-DATETIME>20210219171636
ACCESSION NUMBER:		0001104659-21-025838
CONFORMED SUBMISSION TYPE:	486BPOS
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20210219
DATE AS OF CHANGE:		20210219
EFFECTIVENESS DATE:		20210301

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:		21657158

	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:		21657159

	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
<IS-FILER-A-NEW-REGISTRANT>N
<IS-FILER-A-WELL-KNOWN-SEASONED-ISSUER>N
<FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>Y
</SEC-HEADER>
<DOCUMENT>
<TYPE>486BPOS
<SEQUENCE>1
<FILENAME>tm215399d1_486bpos.htm
<DESCRIPTION>486BPOS
<TEXT>
Document 1 - file: tm215399d1_486bpos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.A1
<SEQUENCE>2
<FILENAME>tm215399d1_ex99-a1.htm
<DESCRIPTION>EXHIBIT A1
<TEXT>
Document 2 - file: tm215399d1_ex99-a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.B
<SEQUENCE>3
<FILENAME>tm215399d1_ex99-b.htm
<DESCRIPTION>EXHIBIT B
<TEXT>
Document 3 - file: tm215399d1_ex99-b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.N
<SEQUENCE>4
<FILENAME>tm215399d1_ex99-n.htm
<DESCRIPTION>EXHIBIT N
<TEXT>
Document 4 - file: tm215399d1_ex99-n.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.R1
<SEQUENCE>5
<FILENAME>tm215399d1_ex99-r1.htm
<DESCRIPTION>EXHIBIT R1
<TEXT>
Document 5 - file: tm215399d1_ex99-r1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>j2153993_da001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: j2153993_da001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm215399d1_coverimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm215399d1_coverimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm215399d1_ex99-r1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm215399d1_ex99-r1img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>