<SEC-DOCUMENT>0000009015-17-000014-index.html : 20170915
<SEC-HEADER>0000009015-17-000014.hdr.sgml : 20170915
<ACCEPTANCE-DATETIME>20170915160123
ACCESSION NUMBER:		0000009015-17-000014
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170915
DATE AS OF CHANGE:		20170915
GROUP MEMBERS:		MASSACHUSETTS MUTUAL LIFE INSURANCE CO

SUBJECT COMPANY:	

	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:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84447
		FILM NUMBER:		171087993

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BARINGS LLC
		CENTRAL INDEX KEY:			0000009015
		IRS NUMBER:				041054788
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		470 ATLANTIC AVENUE
		STREET 2:		10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-761-6662

	MAIL ADDRESS:	
		STREET 1:		470 ATLANTIC AVENUE
		STREET 2:		10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Barings LLC
		DATE OF NAME CHANGE:	20160915

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BABSON CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20040707

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BABSON DAVID L & CO INC
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>chi.txt
<DESCRIPTION>JOINT FILING
<TEXT>
Document 1 - file: chi.txt

</DOCUMENT>
</SEC-DOCUMENT>