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<ACCEPTANCE-DATETIME>20221228172348
ACCESSION NUMBER:		0001387131-22-012788
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		30
FILED AS OF DATE:		20221228
DATE AS OF CHANGE:		20221228
EFFECTIVENESS DATE:		20221228

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:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		221495786

	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
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<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>chi-ncsr_103122.htm
<DESCRIPTION>ANNUAL SHAREHOLDER REPORT
<TEXT>
Document 1 - file: chi-ncsr_103122.htm

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<DOCUMENT>
<TYPE>EX-99.CODE ETH
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<FILENAME>ex99-codeeth.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: ex99-codeeth.htm

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<DOCUMENT>
<TYPE>EX-99.CERT
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<DESCRIPTION>CERTIFICATIONS
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Document 3 - file: ex99-cert.htm

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<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>4
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<DOCUMENT>
<TYPE>EX-99.(A)(2)(III)
<SEQUENCE>5
<FILENAME>ex99-a2iii.htm
<DESCRIPTION>PROXY VOTING POLICIES AND PROCEDURES
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Document 5 - file: ex99-a2iii.htm

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<DOCUMENT>
<TYPE>EX-99.(A)(2)(IV)
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<FILENAME>ex99-a2iv.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
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Document 6 - file: ex99-a2iv.htm

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Document 22 - file: consent-31021_img001.jpg

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Document 23 - file: consent-31021_img002.jpg

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Document 24 - file: R1.htm

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Document 27 - file: report.css

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Document 28 - file: FilingSummary.html

Document 28 - RAW XML: FilingSummary.xml

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Document 30 - file: MetaLinks.json

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<TYPE>ZIP
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