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:               07/01/2019 - 06/30/2020


Calamos Convertible Opportunities & Income Fund
--------------------------------------------------------------------------------------------------------------------------
 ALLERGAN PLC                                                                                Agenda Number:  935082305
--------------------------------------------------------------------------------------------------------------------------
        Security:  G0177J108
    Meeting Type:  Special
    Meeting Date:  14-Oct-2019
          Ticker:  AGN
            ISIN:  IE00BY9D5467
--------------------------------------------------------------------------------------------------------------------------

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

1.     COURT MEETING: Approve the scheme of                      Mgmt          For                            For
       arrangement.

2.     Extraordinary General Meeting: Approve the                Mgmt          For                            For
       scheme of arrangement and authorize the
       directors of Allergan plc to take all such
       actions as they consider necessary or
       appropriate for carrying the scheme of
       arrangement into effect.

3.     Extraordinary General Meeting: Approve the                Mgmt          For                            For
       cancellation of any Allergan plc ordinary
       shares in issue at 11:59 p.m., Irish time,
       on the day before the Irish High Court
       hearing to sanction the scheme (excluding,
       in any case, any Allergan plc ordinary
       shares which are held from time to time by
       AbbVie Inc., Acquirer Sub (as defined in
       the scheme of arrangement) or any other
       subsidiary of AbbVie Inc., if any).

4.     Extraordinary General Meeting: Authorize                  Mgmt          For                            For
       the directors of Allergan plc to allot and
       issue new Allergan plc shares, fully paid
       up, to Acquirer Sub and/or its nominee(s)
       in connection with effecting the scheme.

5.     Extraordinary General Meeting: Amend the                  Mgmt          For                            For
       articles of association of Allergan plc so
       that any ordinary shares of Allergan plc
       that are issued on or after the Voting
       Record Time (as defined in the scheme of
       arrangement) to persons other than Acquirer
       Sub or its nominees will either be subject
       to the terms of the scheme or will be
       immediately and automatically acquired by
       Acquirer Sub and/or its nominee(s) for the
       scheme consideration.

6.     Extraordinary General Meeting: Approve, on                Mgmt          For                            For
       a non-binding, advisory basis, specified
       compensatory arrangements between Allergan
       plc and its named executive officers
       relating to the transaction.

7.     Extraordinary General Meeting: Approve any                Mgmt          For                            For
       motion by the Chairman to adjourn the
       extraordinary general meeting, or any
       adjournments thereof, to solicit additional
       proxies in favor of the approval of the
       resolutions if there are insufficient votes
       at the time of the extraordinary general
       meeting to approve resolutions 2 through 5.




--------------------------------------------------------------------------------------------------------------------------
 AMERICAN INTERNATIONAL GROUP, INC.                                                          Agenda Number:  935159877
--------------------------------------------------------------------------------------------------------------------------
        Security:  026874784
    Meeting Type:  Annual
    Meeting Date:  13-May-2020
          Ticker:  AIG
            ISIN:  US0268747849
--------------------------------------------------------------------------------------------------------------------------

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

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

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

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

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

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

1F.    Election of Director: HENRY S. MILLER                     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

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

3.     To act upon a proposal to amend and restate               Mgmt          For                            For
       AIG's Amended and Restated Certificate of
       Incorporation to restrict certain transfers
       of AIG Common Stock in order to protect
       AIG's tax attributes.

4.     To act upon a proposal to ratify the                      Mgmt          For                            For
       amendment to extend the expiration of the
       American International Group, Inc. Tax
       Asset Protection Plan.

5.     To act upon a proposal to ratify the                      Mgmt          For                            For
       selection of PricewaterhouseCoopers LLP as
       AIG's independent registered public
       accounting firm for 2020.

6.     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.




--------------------------------------------------------------------------------------------------------------------------
 CHEVRON CORPORATION                                                                         Agenda Number:  935183979
--------------------------------------------------------------------------------------------------------------------------
        Security:  166764100
    Meeting Type:  Annual
    Meeting Date:  27-May-2020
          Ticker:  CVX
            ISIN:  US1667641005
--------------------------------------------------------------------------------------------------------------------------

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

1A.    Election of Director: W. M. Austin                        Mgmt          For                            For

1B.    Election of Director: J. B. Frank                         Mgmt          For                            For

1C.    Election of Director: A. P. Gast                          Mgmt          For                            For

1D.    Election of Director: E. Hernandez, Jr.                   Mgmt          For                            For

1E.    Election of Director: C. W. Moorman IV                    Mgmt          For                            For

1F.    Election of Director: D. F. Moyo                          Mgmt          For                            For

1G.    Election of Director: D. Reed-Klages                      Mgmt          For                            For

1H.    Election of Director: R. D. Sugar                         Mgmt          For                            For

1I.    Election of Director: D. J. Umpleby III                   Mgmt          For                            For

1J.    Election of Director: M. K. Wirth                         Mgmt          For                            For

2.     Ratification of Appointment of PwC as                     Mgmt          For                            For
       Independent Registered Public Accounting
       Firm

3.     Advisory Vote to Approve Named Executive                  Mgmt          For                            For
       Officer Compensation

4.     Report on Lobbying                                        Shr           Against                        For

5.     Create a Board Committee on Climate Risk                  Shr           Against                        For

6.     Report on Climate Lobbying                                Shr           Against                        For

7.     Report on Petrochemical Risk                              Shr           Against                        For

8.     Report on Human Rights Practices                          Shr           Against                        For

9.     Set Special Meeting Threshold at 10%                      Shr           Against                        For

10.    Adopt Policy for an Independent Chairman                  Shr           Against                        For




--------------------------------------------------------------------------------------------------------------------------
 GASLOG LTD.                                                                                 Agenda Number:  935166997
--------------------------------------------------------------------------------------------------------------------------
        Security:  G37585109
    Meeting Type:  Annual
    Meeting Date:  14-May-2020
          Ticker:  GLOG
            ISIN:  BMG375851091
--------------------------------------------------------------------------------------------------------------------------
Prop.# Proposal                                                  Proposal      Proposal Vote                  For/Against
                                                                 Type                                         Management

1A.    Election of Director: Peter G. Livanos                    Mgmt          For                            For

1B.    Election of Director: Bruce L. Blythe                     Mgmt          For                            For

1C.    Election of Director: Donald J. Kintzer                   Mgmt          For                            For

1D.    Election of Director: Julian R. Metherell                 Mgmt          For                            For

1E.    Election of Director: Anthony S.                          Mgmt          For                            For
       Papadimitriou

1F.    Election of Director: Paul A. Wogan                       Mgmt          For                            For

2.     To approve the appointment of Deloitte LLP                Mgmt          For                            For
       as our independent auditors for the fiscal
       year ending December 31, 2020 and until the
       conclusion of the next annual general
       meeting, and to authorize the Board of
       Directors, acting through the Audit and
       Risk Committee, to determine the
       independent auditor fee.




--------------------------------------------------------------------------------------------------------------------------
 MAGELLAN MIDSTREAM PARTNERS,L.P.                                                            Agenda Number:  935136413
--------------------------------------------------------------------------------------------------------------------------
        Security:  559080106
    Meeting Type:  Annual
    Meeting Date:  23-Apr-2020
          Ticker:  MMP
            ISIN:  US5590801065
--------------------------------------------------------------------------------------------------------------------------

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

1.     DIRECTOR
       Chansoo Joung                                             Mgmt          For                            For
       Michael N. Mears                                          Mgmt          For                            For
       James R. Montague                                         Mgmt          For                            For

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

3.     Ratification of Appointment of Independent                Mgmt          For                            For
       Registered Public Accounting Firm for 2020.




--------------------------------------------------------------------------------------------------------------------------
 SCHLUMBERGER LIMITED (SCHLUMBERGER N.V.)                                                    Agenda Number:  935131021
--------------------------------------------------------------------------------------------------------------------------
        Security:  806857108
    Meeting Type:  Annual
    Meeting Date:  01-Apr-2020
          Ticker:  SLB
            ISIN:  AN8068571086
--------------------------------------------------------------------------------------------------------------------------

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

1A.    Election of Director: Patrick de La                       Mgmt          For                            For
       Chevardiere

1B.    Election of Director: Miguel M. Galuccio                  Mgmt          For                            For

1C.    Election of Director: Olivier Le Peuch                    Mgmt          For                            For

1D.    Election of Director: Tatiana A. Mitrova                  Mgmt          For                            For

1E.    Election of Director: Lubna S. Olayan                     Mgmt          For                            For

1F.    Election of Director: Mark G. Papa                        Mgmt          For                            For

1G.    Election of Director: Leo Rafael Reif                     Mgmt          For                            For

1H.    Election of Director: Henri Seydoux                       Mgmt          For                            For

1I.    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, 2019; our consolidated
       statement of income for the year ended
       December 31, 2019; and our Board of
       Directors' declarations of dividends in
       2019, as reflected in our 2019 Annual
       Report to Stockholders.

4.     Ratification of the appointment of                        Mgmt          For                            For
       PricewaterhouseCoopers LLP as our
       independent auditors for 2020.




--------------------------------------------------------------------------------------------------------------------------
 SOUTHWESTERN ENERGY COMPANY                                                                 Agenda Number:  935169400
--------------------------------------------------------------------------------------------------------------------------
        Security:  845467109
    Meeting Type:  Annual
    Meeting Date:  19-May-2020
          Ticker:  SWN
            ISIN:  US8454671095
--------------------------------------------------------------------------------------------------------------------------

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

1.1    Election of Director: John D. Gass                        Mgmt          For                            For

1.2    Election of Director: Catherine A. Kehr                   Mgmt          For                            For

1.3    Election of Director: Greg D. Kerley                      Mgmt          For                            For

1.4    Election of Director: Jon A. Marshall                     Mgmt          For                            For

1.5    Election of Director: Patrick M. Prevost                  Mgmt          For                            For

1.6    Election of Director: Anne Taylor                         Mgmt          For                            For

1.7    Election of Director: Denis J. Walsh III                  Mgmt          For                            For

1.8    Election of Director: William J. Way                      Mgmt          For                            For

2.     Non-binding advisory vote to approve                      Mgmt          For                            For
       compensation of our Named Executive
       Officers for 2019 (Say-on-Pay).

3.     Proposal to ratify the appointment of                     Mgmt          For                            For
       PricewaterhouseCoopers LLP to serve as the
       Company's independent registered public
       accounting firm for the fiscal year ending
       December 31, 2020.

4.     To consider a shareholder proposal                        Shr           Against                        For
       regarding special meetings, if properly
       presented at the Annual Meeting.




--------------------------------------------------------------------------------------------------------------------------
 TARGA RESOURCES CORP.                                                                       Agenda Number:  935172320
--------------------------------------------------------------------------------------------------------------------------
        Security:  87612G101
    Meeting Type:  Annual
    Meeting Date:  19-May-2020
          Ticker:  TRGP
            ISIN:  US87612G1013
--------------------------------------------------------------------------------------------------------------------------

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

1.1    Election of Director: Charles R. Crisp                    Mgmt          For                            For

1.2    Election of Director: Laura C. Fulton                     Mgmt          For                            For

1.3    Election of Director: James W. Whalen                     Mgmt          For                            For

2.     Ratification of the selection of                          Mgmt          For                            For
       PricewaterhouseCoopers LLP as the Company's
       independent auditors for 2020.

3.     Approval, on an advisory basis, of the                    Mgmt          For                            For
       compensation of the Company's named
       executive officers, as disclosed in the
       proxy statement pursuant to the
       compensation disclosure rules of the SEC.




--------------------------------------------------------------------------------------------------------------------------
 TRANSOCEAN, LTD.                                                                            Agenda Number:  935195203
--------------------------------------------------------------------------------------------------------------------------
        Security:  H8817H100
    Meeting Type:  Annual
    Meeting Date:  07-May-2020
          Ticker:  RIG
            ISIN:  CH0048265513
--------------------------------------------------------------------------------------------------------------------------

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

1      Approval of the 2019 Annual Report,                       Mgmt          For                            For
       Including the Audited Consolidated
       Financial Statements and the Audited
       Statutory Financial Statements of
       Transocean Ltd. for Fiscal Year 2019
2      Discharge of the Members of the Board of                  Mgmt          For                            For
       Directors and Executive Management Team
       From Liability for Activities During Fiscal
       Year 2019

3      Appropriation of the Accumulated Loss for                 Mgmt          For                            For
       Fiscal Year 2019

4      Increase in Total Number of Shares                        Mgmt          For                            For
       Authorized for Issuance

5A     Election of Director: Glyn A. Barker                      Mgmt          For                            For

5B     Election of Director: Vanessa C.L. Chang                  Mgmt          For                            For

5C     Election of Director: Frederico F. Curado                 Mgmt          For                            For

5D     Election of Director: Chadwick C. Deaton                  Mgmt          For                            For

5E     Election of Director: Vincent J. Intrieri                 Mgmt          For                            For

5F     Election of Director: Samuel J. Merksamer                 Mgmt          For                            For

5G     Election of Director: Frederik W. Mohn                    Mgmt          For                            For

5H     Election of Director: Edward R. Muller                    Mgmt          For                            For

5I     Election of Director: Diane de Saint Victor               Mgmt          For                            For

5J     Election of Director: Tan Ek Kia                          Mgmt          For                            For

5K     Election of Director: Jeremy D. Thigpen                   Mgmt          For                            For

6      Election of Chadwick C. Deaton as the Chair               Mgmt          For                            For
       of the Board of Directors for a Term
       Extending Until Completion of the Next
       Annual General Meeting

7A     Election of the Member of the Compensation                Mgmt          For                            For
       Committee for a Term Extending Until
       Completion of the Next Annual General
       Meeting: Glyn A. Barker

7B     Election of the Member of the Compensation                Mgmt          For                            For
       Committee for a Term Extending Until
       Completion of the Next Annual General
       Meeting: Samuel J. Merksamer

7C     Election of the Member of the Compensation                Mgmt          For                            For
       Committee for a Term Extending Until
       Completion of the Next Annual General
       Meeting: Tan Ek Kia

8      Reelection of Schweiger Advokatur /                       Mgmt          For                            For
       Notariat as the Independent Proxy for a
       Term Extending Until Completion of the Next
       Annual General Meeting

9      Appointment of Ernst & Young LLP as the                   Mgmt          For                            For
       Company's Independent Registered Public
       Accounting Firm for Fiscal Year 2020 and
       Reelection of Ernst & Young Ltd, Zurich, as
       the Company's Auditor for a Further
       One-Year Term

10     Advisory Vote to Approve Named Executive                  Mgmt          For                            For
       Officer Compensation for Fiscal Year 2020

11A    Ratification of the Maximum Aggregate                     Mgmt          For                            For
       Amount of Compensation of the Board of
       Directors for the Period Between the 2020
       Annual General Meeting and the 2021 Annual
       General Meeting

11B    Ratification of an amount of US $24,000,000               Mgmt          For                            For
       as the Maximum Aggregate Amount of
       Compensation of the Executive Management
       Team for Fiscal Year 2021

12     Approval of Amendment and Restatement of                  Mgmt          For                            For
       the Transocean Ltd. 2015 Long-Term
       Incentive Plan




--------------------------------------------------------------------------------------------------------------------------
 WEATHERFORD INTERNATIONAL PLC                                                               Agenda Number:  935205345
--------------------------------------------------------------------------------------------------------------------------
        Security:  G48833118
    Meeting Type:  Annual
    Meeting Date:  12-Jun-2020
          Ticker:  WFTLF
            ISIN:  IE00BLNN3691
--------------------------------------------------------------------------------------------------------------------------

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

1A.    Election of Director: Thomas R. Bates, Jr.                Mgmt          For                            For

1B.    Election of Director: John F. Glick                       Mgmt          For                            For

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

1D.    Election of Director: Gordon T. Hall                      Mgmt          For                            For

1E.    Election of Director: Mark A. McCollum                    Mgmt          Abstain                        Against

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

1G.    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, 2020 and
       KPMG Chartered Accountants, Dublin, as the
       Company's statutory auditor under Irish law
       to hold office until the close of the 2021
       AGM, and to authorize the Board of
       Directors of the Company, acting through
       the Audit Committee, to determine the
       auditors remuneration.

3.     To approve, in an advisory vote, the                      Mgmt          For                            For
       compensation of our named executive
       officers.



* 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                 08/26/2020

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