<SEC-DOCUMENT>0000314984-21-000029.txt : 20211015
<SEC-HEADER>0000314984-21-000029.hdr.sgml : 20211015
<ACCEPTANCE-DATETIME>20211015112110
ACCESSION NUMBER:		0000314984-21-000029
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210824
FILED AS OF DATE:		20211015
DATE AS OF CHANGE:		20211015

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			THRIVENT FINANCIAL FOR LUTHERANS
		CENTRAL INDEX KEY:			0000314984
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21080
		FILM NUMBER:		211325278

	BUSINESS ADDRESS:	
		STREET 1:		901 MARQUETTE AVENUE
		STREET 2:		SUITE 2500
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402-3211
		BUSINESS PHONE:		6123407215

	MAIL ADDRESS:	
		STREET 1:		901 MARQUETTE AVENUE
		STREET 2:		SUITE 2500
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402-3211

	FORMER NAME:	
		FORMER CONFORMED NAME:	AID ASSOCIATION FOR LUTHERANS
		DATE OF NAME CHANGE:	19940803

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
		CENTRAL INDEX KEY:			0001171471
		IRS NUMBER:				030426532
		FISCAL YEAR END:			1031

	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>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-08-24</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001171471</issuerCik>
        <issuerName>CALAMOS CONVERTIBLE OPPORTUNITIES &amp; INCOME FUND</issuerName>
        <issuerTradingSymbol>CHI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000314984</rptOwnerCik>
            <rptOwnerName>THRIVENT FINANCIAL FOR LUTHERANS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 MARQUETTE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2500</rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55402-3211</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ David S. Royal</signatureName>
        <signatureDate>2021-10-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
