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CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		50
CONFORMED PERIOD OF REPORT:	20241031
FILED AS OF DATE:		20241227
DATE AS OF CHANGE:		20241227
EFFECTIVENESS DATE:		20241227

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
		CENTRAL INDEX KEY:			0001171471
		ORGANIZATION NAME:           	
		IRS NUMBER:				030426532
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		SEC ACT:		1940 Act
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		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
		BUSINESS PHONE:		6302451046

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		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
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