UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  FORM N-PX

   ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT
                                    COMPANY

INVESTMENT COMPANY ACT FILE NUMBER:     811-21080

NAME OF REGISTRANT:                     CALAMOS CONVERTIBLE OPPORTUNITIES
                                        & INCOME FUND

ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court
Naperville, IL 60563-2787

NAME AND ADDRESS OF AGENT FOR SERVICE: John P Calamos, Sr., Founder,

                                        Chairman and Global Chief
                                        Investment Officer
                                        Calamos Advisors LLC
                                        2020 Calamos Court
                                        Naperville, IL 60563-2787

REGISTRANT'S TELEPHONE NUMBER:          (630) 245-7200

DATE OF FISCAL YEAR END:                10/31

DATE OF REPORTING PERIOD:               07/01/2020 - 06/30/2021


Calamos Convertible Opportunities & Income Fund
--------------------------------------------------------------------------------------------------------------------------
 AMERICAN INTERNATIONAL GROUP, INC.                                                          Agenda Number:  935359136
--------------------------------------------------------------------------------------------------------------------------
        Security:  026874784
    Meeting Type:  Annual
    Meeting Date:  12-May-2021
          Ticker:  AIG
            ISIN:  US0268747849
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1a.    Election of Director: JAMES COLE, JR.                     Mgmt          For                            For

1b.    Election of Director: W. DON CORNWELL                     Mgmt          For                            For

1c.    Election of Director: BRIAN DUPERREAULT                   Mgmt          For                            For

1d.    Election of Director: JOHN H. FITZPATRICK                 Mgmt          For                            For

1e.    Election of Director: WILLIAM G. JURGENSEN                Mgmt          For                            For

1f.    Election of Director: CHRISTOPHER S. LYNCH                Mgmt          For                            For

1g.    Election of Director: LINDA A. MILLS                      Mgmt          For                            For

1h.    Election of Director: THOMAS F. MOTAMED                   Mgmt          For                            For

1i.    Election of Director: PETER R. PORRINO                    Mgmt          For                            For

1j.    Election of Director: AMY L. SCHIOLDAGER                  Mgmt          For                            For

1k.    Election of Director: DOUGLAS M. STEENLAND                Mgmt          For                            For

1l.    Election of Director: THERESE M. VAUGHAN                  Mgmt          For                            For

1m.    Election of Director: PETER S. ZAFFINO                    Mgmt          For                            For

2.     To vote, on a non-binding advisory basis,                 Mgmt          For                            For
       to approve executive compensation.

3.     To vote on a proposal to approve the                      Mgmt          For                            For
       American International Group, Inc. 2021
       Omnibus Incentive Plan.

4.     To act upon a proposal to ratify the                      Mgmt          For                            For
       selection of PricewaterhouseCoopers LLP as
       AIG's independent registered public
       accounting firm for 2021.

5.     To vote on a shareholder proposal to give                 Shr           Against                        For
       shareholders who hold at least 10 percent
       of AIG's outstanding common stock the right
       to call special meetings.




--------------------------------------------------------------------------------------------------------------------------
 BONANZA CREEK ENERGY INC.                                                                   Agenda Number:  935426343
--------------------------------------------------------------------------------------------------------------------------
        Security:  097793400
    Meeting Type:  Annual
    Meeting Date:  02-Jun-2021
          Ticker:  BCEI
            ISIN:  US0977934001
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       James E. Craddock                                         Mgmt          For                            For
       Eric T. Greager                                           Mgmt          For                            For
       Carrie L. Hudak                                           Mgmt          For                            For
       Paul Keglevic                                             Mgmt          For                            For
       Audrey Robertson                                          Mgmt          For                            For
       Brian Steck                                               Mgmt          For                            For
       Jeffrey E. Wojahn                                         Mgmt          For                            For

2.     Ratify the selection of Deloitte & Touche                 Mgmt          For                            For
       LLP as the Company's independent registered
       public accountant for 2021.

3.     To approve the Bonanza Creek Energy, Inc.                 Mgmt          For                            For
       2021 Long-Term Incentive Plan.

4.     To approve, on an advisory basis, the                     Mgmt          For                            For
       compensation of our named executive
       officers.

5.     To ratify the Tax Benefits Preservation                   Mgmt          For                            For
       Plan.




--------------------------------------------------------------------------------------------------------------------------
 CALFRAC WELL SERVICES LTD.                                                                  Agenda Number:  935370863
--------------------------------------------------------------------------------------------------------------------------
        Security:  129584405
    Meeting Type:  Annual
    Meeting Date:  04-May-2021
          Ticker:  CFWFF
            ISIN:  CA1295844056
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1      DIRECTOR
       Ronald P. Mathison                                        Mgmt          For                            For
       Douglas R. Ramsay                                         Mgmt          For                            For
       Lindsay R. Link                                           Mgmt          For                            For
       George S. Armoyan                                         Mgmt          For                            For
       Anuroop Duggal                                            Mgmt          For                            For
       Gregory S. Fletcher                                       Mgmt          For                            For
       Lorne A. Gartner                                          Mgmt          For                            For

2      To appoint PricewaterhouseCoopers LLP as                  Mgmt          For                            For
       auditors of the Corporation. Directors and
       management recommend shareholders vote FOR
       the appointment of PricewaterhouseCoopers.




--------------------------------------------------------------------------------------------------------------------------
 CUMULUS MEDIA INC.                                                                          Agenda Number:  935375697
--------------------------------------------------------------------------------------------------------------------------
        Security:  231082801
    Meeting Type:  Annual
    Meeting Date:  04-May-2021
          Ticker:  CMLS
            ISIN:  US2310828015
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       Mary G. Berner                                            Mgmt          For                            For
       David M. Baum                                             Mgmt          For                            For
       Matthew C. Blank                                          Mgmt          For                            For
       Thomas H. Castro                                          Mgmt          For                            For
       Joan Hogan Gillman                                        Mgmt          For                            For
       Andrew W. Hobson                                          Mgmt          For                            For
       Brian G. Kushner                                          Mgmt          For                            For

2.     Proposal to approve, on an advisory basis,                Mgmt          For                            For
       the compensation paid to the Company's
       named executive officers.

3.     Proposal to ratify the appointment of                     Mgmt          For                            For
       PricewaterhouseCoopers LLP as the Company's
       independent registered public accounting
       firm for 2021.




--------------------------------------------------------------------------------------------------------------------------
 DENBURY INC.                                                                                Agenda Number:  935394875
--------------------------------------------------------------------------------------------------------------------------
        Security:  24790A101
    Meeting Type:  Annual
    Meeting Date:  26-May-2021
          Ticker:  DEN
            ISIN:  US24790A1016
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director: Kevin O. Meyers                     Mgmt          For                            For

1B.    Election of Director: Anthony M. Abate                    Mgmt          For                            For

1C.    Election of Director: Caroline G. Angoorly                Mgmt          For                            For

1D.    Election of Director: James N. Chapman                    Mgmt          For                            For

1E.    Election of Director: Christian S. Kendall                Mgmt          For                            For

1F.    Election of Director: Lynn A. Peterson                    Mgmt          For                            For

1G.    Election of Director: Brett R. Wiggs                      Mgmt          For                            For

1H.    Election of Director: Cindy A. Yeilding                   Mgmt          For                            For

2.     An advisory vote to approve named executive               Mgmt          For                            For
       officer compensation.

3.     To ratify the Audit Committee's selection                 Mgmt          For                            For
       of PricewaterhouseCoopers LLP as the
       Company's independent registered public
       accounting firm for 2021.



--------------------------------------------------------------------------------------------------------------------------
 GASLOG LTD.                                                                                 Agenda Number:  935432372
--------------------------------------------------------------------------------------------------------------------------
        Security:  G37585109
    Meeting Type:  Special
    Meeting Date:  04-Jun-2021
          Ticker:  GLOG
            ISIN:  BMG375851091
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     To approve (a) the Agreement and Plan of                  Mgmt          For                            For
       Merger, dated as of February 21, 2021 (as
       amended, the "merger agreement"), by and
       among GasLog Ltd., GEPIF III Crown Bidco
       L.P. and GEPIF III Crown MergerCo Limited,
       (b) the related statutory merger agreement
       and (c) the merger contemplated by the
       merger agreement, on the terms and subject
       to the conditions set forth therein.




--------------------------------------------------------------------------------------------------------------------------
 MAGELLAN MIDSTREAM PARTNERS,L.P.                                                            Agenda Number:  935339057
--------------------------------------------------------------------------------------------------------------------------
        Security:  559080106
    Meeting Type:  Annual
    Meeting Date:  22-Apr-2021
          Ticker:  MMP
            ISIN:  US5590801065
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       Robert G. Croyle                                          Mgmt          For                            For
       Stacy P. Methvin                                          Mgmt          For                            For
       Barry R. Pearl                                            Mgmt          For                            For

2.     Amendment of Long-Term Incentive Plan.                    Mgmt          For                            For

3.     Advisory Resolution to Approve Executive                  Mgmt          For                            For
       Compensation.

4.     Ratification of Appointment of Independent                Mgmt          For                            For
       Registered Public Accounting Firm for 2021.




--------------------------------------------------------------------------------------------------------------------------
 MCDERMOTT INTL LTD                                                                          Agenda Number:  935360862
--------------------------------------------------------------------------------------------------------------------------
        Security:  58004K208
    Meeting Type:  Annual
    Meeting Date:  14-May-2021
          Ticker:
            ISIN:  US58004K2087
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     To appoint David Dickson as Chairman of the               Mgmt          For                            For
       2021 Annual General Meeting of Members.

2.     DIRECTOR
       Craig Broderick                                           Mgmt          For                            For
       Neil Bruce                                                Mgmt          For                            For
       David Dickson                                             Mgmt          For                            For
       Barbara Duganier                                          Mgmt          For                            For
       Andrew Gould                                              Mgmt          For                            For
       Alan Hirshberg                                            Mgmt          For                            For
       Nils Larsen                                               Mgmt          For                            For
       Lee McIntire                                              Mgmt          For                            For
       Paul Soldatos                                             Mgmt          For                            For

3.     To approve amendments to Bye-Laws 40.1(a),                Mgmt          For                            For
       41, 50.1 and 65 of the Amended and Restated
       Bye-laws of McDermott International, Ltd.

4.     To approve an alteration to the Memorandum                Mgmt          For                            For
       of Association of McDermott International,
       Ltd.

5.     To appoint Ernst & Young LLP as the Auditor               Mgmt          For                            For
       of McDermott International, Ltd for a term
       extending until the close of the 2022
       Annual General Meeting of Members and give
       the Audit Committee of the Board of
       Directors the authority to set the
       remuneration of the Company's Auditor.




--------------------------------------------------------------------------------------------------------------------------
 MCDERMOTT INTL LTD                                                                          Agenda Number:  935365975
--------------------------------------------------------------------------------------------------------------------------
        Security:  G5924V106
    Meeting Type:  Annual
    Meeting Date:  14-May-2021
          Ticker:  MCDIF
            ISIN:  BMG5924V1063
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     To appoint David Dickson as Chairman of the               Mgmt          For                            For
       2021 Annual General Meeting of Members.

2.     DIRECTOR
       Craig Broderick                                           Mgmt          For                            For
       Neil Bruce                                                Mgmt          For                            For
       David Dickson                                             Mgmt          For                            For
       Barbara Duganier                                          Mgmt          For                            For
       Andrew Gould                                              Mgmt          For                            For
       Alan Hirshberg                                            Mgmt          For                            For
       Nils Larsen                                               Mgmt          For                            For
       Lee McIntire                                              Mgmt          For                            For
       Paul Soldatos                                             Mgmt          For                            For

3.     To approve amendments to Bye-Laws 40.1(a),                Mgmt          For                            For
       41, 50.1 and 65 of the Amended and Restated
       Bye-laws of McDermott International, Ltd.

4.     To approve an alteration to the Memorandum                Mgmt          For                            For
       of Association of McDermott International,
       Ltd.

5.     To appoint Ernst & Young LLP as the Auditor               Mgmt          For                            For
       of McDermott International, Ltd for a term
       extending until the close of the 2022
       Annual General Meeting of Members and give
       the Audit Committee of the Board of
       Directors the authority to set the
       remuneration of the Company's Auditor.




--------------------------------------------------------------------------------------------------------------------------
 OASIS PETROLEUM INC                                                                         Agenda Number:  935349945
--------------------------------------------------------------------------------------------------------------------------
        Security:  674215207
    Meeting Type:  Annual
    Meeting Date:  28-Apr-2021
          Ticker:  OAS
            ISIN:  US6742152076
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: Douglas E. Brooks

1B.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: Samantha Holroyd

1C.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: John Jacobi

1D.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: N. John Lancaster, Jr.

1E.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: Robert McNally

1F.    Election of Director to serve until the                   Mgmt          For                            For
       2022 Annual Meeting: Cynthia L. Walker

2.     To ratify the selection of                                Mgmt          For                            For
       PricewaterhouseCoopers LLP as the Company's
       independent registered public accounting
       firm for 2021.

3.     To approve, on an advisory basis, the                     Mgmt          For                            For
       compensation of our named executive
       officers as disclosed in the Proxy
       Statement.




--------------------------------------------------------------------------------------------------------------------------
 QURATE RETAIL, INC.                                                                         Agenda Number:  935395245
--------------------------------------------------------------------------------------------------------------------------
        Security:  74915M308
    Meeting Type:  Annual
    Meeting Date:  25-May-2021
          Ticker:  QRTEP
            ISIN:  US74915M3088
--------------------------------------------------------------------------------------------------------------------------
Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       Richard N. Barton                                         Mgmt          For                            For
       Michael A. George                                         Mgmt          For                            For
       Gregory B. Maffei                                         Mgmt          Withheld                       Against

2.     The auditors ratification proposal, to                    Mgmt          For                            For
       ratify the selection of KPMG LLP as our
       independent auditors for the fiscal year
       ending December 31, 2021.




--------------------------------------------------------------------------------------------------------------------------
 SCHLUMBERGER LIMITED (SCHLUMBERGER N.V.)                                                    Agenda Number:  935338170
--------------------------------------------------------------------------------------------------------------------------
        Security:  806857108
    Meeting Type:  Annual
    Meeting Date:  07-Apr-2021
          Ticker:  SLB
            ISIN:  AN8068571086
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.1    Election of Director: Patrick de La                       Mgmt          For                            For
       Chevardiere

1.2    Election of Director: Miguel M. Galuccio                  Mgmt          For                            For

1.3    Election of Director: Olivier Le Peuch                    Mgmt          For                            For

1.4    Election of Director: Tatiana A. Mitrova                  Mgmt          For                            For

1.5    Election of Director: Maria M. Hanssen                    Mgmt          For                            For

1.6    Election of Director: Mark G. Papa                        Mgmt          For                            For

1.7    Election of Director: Henri Seydoux                       Mgmt          For                            For

1.8    Election of Director: Jeff W. Sheets                      Mgmt          For                            For

2.     Approval of the advisory resolution to                    Mgmt          For                            For
       approve our executive compensation.

3.     Approval of our consolidated balance sheet                Mgmt          For                            For
       as of December 31, 2020; our consolidated
       statement of income for the year ended
       December 31, 2020; and our Board of
       Directors' declarations of dividends in
       2020, as reflected in our 2020 Annual
       Report to Stockholders.

4.     Ratification of the appointment of                        Mgmt          For                            For
       PricewaterhouseCoopers LLP as our
       independent auditors for 2021.

5.     Approval of an amendment and restatement of               Mgmt          For                            For
       the 2017 Schlumberger Omnibus Stock
       Incentive Plan.

6.     Approval of an amendment and restatement of               Mgmt          For                            For
       the Schlumberger Discounted Stock Purchase
       Plan.

7.     Approval of an amendment and restatement of               Mgmt          For                            For
       the 2004 Stock and Deferral Plan for
       Non-Employee Directors.




--------------------------------------------------------------------------------------------------------------------------
 STANLEY BLACK & DECKER, INC.                                                                Agenda Number:  935369137
--------------------------------------------------------------------------------------------------------------------------
        Security:  854502846
    Meeting Type:  Annual
    Meeting Date:  10-May-2021
          Ticker:  SWT
            ISIN:  US8545028461
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

6.     To consider a management proposal to amend                Mgmt          For                            For
       the Certificate of Incorporation to
       eliminate supermajority vote provisions of
       capital stock related to approval of
       business combinations with interested
       shareholders and clarify when no
       shareholder vote is required.




--------------------------------------------------------------------------------------------------------------------------
 TARGA RESOURCES CORP.                                                                       Agenda Number:  935388656
--------------------------------------------------------------------------------------------------------------------------
        Security:  87612G101
    Meeting Type:  Annual
    Meeting Date:  25-May-2021
          Ticker:  TRGP
            ISIN:  US87612G1013
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.1    Election of Class II Director to serve                    Mgmt          For                            For
       until the 2024 annual meeting: Beth A.
       Bowman

1.2    Election of Class II Director to serve                    Mgmt          For                            For
       until the 2024 annual meeting: Lindsey M.
       Cooksen

1.3    Election of Class II Director to serve                    Mgmt          For                            For
       until the 2024 annual meeting: Robert B.
       Evans

1.4    Election of Class II Director to serve                    Mgmt          For                            For
       until the 2024 annual meeting: Joe Bob
       Perkins

1.5    Election of Class II Director to serve                    Mgmt          For                            For
       until the 2024 annual meeting: Ershel C.
       Redd Jr.

2.     To ratify the selection of                                Mgmt          For                            For
       PricewaterhouseCoopers LLP as the Company's
       independent auditors for 2021.

3.     To approve, on an advisory basis, the                     Mgmt          For                            For
       compensation of the Company's named
       executive officers for the fiscal year
       ended December 31, 2020.

4.     To approve an amendment to the Company's                  Mgmt          For                            For
       Amended and Restated Certificate of
       Incorporation to increase the number of
       shares of common stock authorized for
       issuance to 450,000,000 shares.




--------------------------------------------------------------------------------------------------------------------------
 THE WILLIAMS COMPANIES, INC.                                                                Agenda Number:  935351572
--------------------------------------------------------------------------------------------------------------------------
        Security:  969457100
    Meeting Type:  Annual
    Meeting Date:  27-Apr-2021
          Ticker:  WMB
            ISIN:  US9694571004
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director: Alan S. Armstrong                   Mgmt          For                            For

1B.    Election of Director: Stephen W. Bergstrom                Mgmt          For                            For

1C.    Election of Director: Nancy K. Buese                      Mgmt          For                            For

1D.    Election of Director: Stephen I. Chazen                   Mgmt          For                            For

1E.    Election of Director: Charles I. Cogut                    Mgmt          For                            For

1F.    Election of Director: Michael A. Creel                    Mgmt          For                            For

1G.    Election of Director: Stacey H. Dore                      Mgmt          For                            For

1H.    Election of Director: Vicki L. Fuller                     Mgmt          For                            For

1I.    Election of Director: Peter A. Ragauss                    Mgmt          For                            For

1J.    Election of Director: Rose M. Robeson                     Mgmt          For                            For

1K.    Election of Director: Scott D. Sheffield                  Mgmt          For                            For

1L.    Election of Director: Murray D. Smith                     Mgmt          For                            For

1M.    Election of Director: William H. Spence                   Mgmt          For                            For

2.     Approval, by nonbinding advisory vote, of                 Mgmt          For                            For
       the Company's executive compensation.

3.     Ratification of Ernst & Young LLP as                      Mgmt          For                            For
       independent auditors for 2021.




--------------------------------------------------------------------------------------------------------------------------
 TIDEWATER INC.                                                                              Agenda Number:  935239283
--------------------------------------------------------------------------------------------------------------------------
        Security:  88642R109
    Meeting Type:  Annual
    Meeting Date:  28-Jul-2020
          Ticker:  TDW
            ISIN:  US88642R1095
--------------------------------------------------------------------------------------------------------------------------
Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director: Dick Fagerstal                      Mgmt          For                            For

1B.    Election of Director: Quintin V. Kneen                    Mgmt          For                            For

1C.    Election of Director: Louis A. Raspino                    Mgmt          For                            For

1D.    Election of Director: Larry T. Rigdon                     Mgmt          For                            For

1E.    Election of Director: Kenneth H. Traub                    Mgmt          For                            For

1F.    Election of Director: Lois K. Zabrocky                    Mgmt          For                            For

2.     Approval of the Tax Benefits Preservation                 Mgmt          For                            For
       Plan.

3.     Say on Pay Vote - An advisory vote to                     Mgmt          For                            For
       approve executive compensation (as
       disclosed in the proxy statement).

4.     Ratification of the selection of Deloitte &               Mgmt          For                            For
       Touche LLP as independent registered public
       accounting firm for the fiscal year ending
       December 31, 2020.




--------------------------------------------------------------------------------------------------------------------------
 TIDEWATER INC.                                                                              Agenda Number:  935440088
--------------------------------------------------------------------------------------------------------------------------
        Security:  88642R109
    Meeting Type:  Annual
    Meeting Date:  08-Jun-2021
          Ticker:  TDW
            ISIN:  US88642R1095
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       Dick Fagerstal                                            Mgmt          For                            For
       Quintin V. Kneen                                          Mgmt          For                            For
       Louis A. Raspino                                          Mgmt          For                            For
       Larry T. Rigdon                                           Mgmt          For                            For
       Kenneth H. Traub                                          Mgmt          For                            For
       Lois K. Zabrocky                                          Mgmt          For                            For
       Darron M. Anderson                                        Mgmt          For                            For
       Robert E. Robotti                                         Mgmt          For                            For

2.     Approval of the 2021 Stock Incentive Plan.                Mgmt          For                            For

3.     Approval, on an advisory basis, of our                    Mgmt          For                            For
       executive compensation as disclosed in this
       proxy statement (the "say-on-pay" vote).

4.     To ratify the selection of                                Mgmt          For                            For
       PricewaterhouseCoopers LLP as the company's
       independent registered public accounting
       firm for the fiscal year ending December
       31, 2021.




--------------------------------------------------------------------------------------------------------------------------
 WEATHERFORD INTERNATIONAL PLC                                                               Agenda Number:  935417572
--------------------------------------------------------------------------------------------------------------------------
        Security:  G48833118
    Meeting Type:  Annual
    Meeting Date:  26-May-2021
          Ticker:  WFTLF
            ISIN:  IE00BLNN3691
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director: Benjamin C. Duster,                 Mgmt          For                            For
       IV

1B.    Election of Director: Neal P. Goldman                     Mgmt          For                            For

1C.    Election of Director: Jacqueline C.                       Mgmt          For                            For
       Mutschler

1D.    Election of Director: Girishchandra K.                    Mgmt          For                            For
       Saligram

1E.    Election of Director: Charles M. Sledge                   Mgmt          For                            For

2.     To ratify the appointment of KPMG LLP as                  Mgmt          For                            For
       the Company's independent registered public
       accounting firm and auditor for the
       financial year ending December 31, 2021 and
       KPMG Chartered Accountants, Dublin, as the
       Company's statutory auditor under Irish law
       to hold office until the close of the 2022
       AGM, and to authorize the Board of
       Directors of the Company, acting through
       the Audit Committee, to determine the
       auditors' remuneration.




--------------------------------------------------------------------------------------------------------------------------
 WHITING PETROLEUM CORPORATION                                                               Agenda Number:  935365660
--------------------------------------------------------------------------------------------------------------------------
        Security:  966387508
    Meeting Type:  Annual
    Meeting Date:  11-May-2021
          Ticker:  WLL
            ISIN:  US9663875089
--------------------------------------------------------------------------------------------------------------------------

Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1.     DIRECTOR
       Janet L. Carrig                                           Mgmt          For                            For
       Susan M. Cunningham                                       Mgmt          For                            For
       Paul J. Korus                                             Mgmt          For                            For
       Kevin S. McCarthy                                         Mgmt          For                            For
       Lynn A. Peterson                                          Mgmt          For                            For
       Daniel J. Rice IV                                         Mgmt          For                            For
       Anne Taylor                                               Mgmt          For                            For

2.     To approve, by advisory vote, the                         Mgmt          For                            For
       compensation of our named executive
       officers.

3.     To ratify the appointment of Deloitte &                   Mgmt          For                            For
       Touche LLP as the independent registered
       public accounting firm for 2021.



* Management position unknown


SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

(Registrant)         CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
By (Signature)       /s/ John P. Calamos, Sr.
Name                 John P. Calamos, Sr.
Title                President
Date                 08/26/2021

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