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:     811-21319

 NAME OF REGISTRANT:                     CALAMOS CONVERTIBLE & HIGH
                                         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:               07/01/2017 - 06/30/2018





                                                                                                  

Calamos Convertible & High Income Fund
--------------------------------------------------------------------------------------------------------------------------
 ALLERGAN PLC                                                                                Agenda Number:  934748407
--------------------------------------------------------------------------------------------------------------------------
        Security:  G0177J108
    Meeting Type:  Annual
    Meeting Date:  02-May-2018
          Ticker:  AGN
            ISIN:  IE00BY9D5467
--------------------------------------------------------------------------------------------------------------------------

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

1a.    Election of Director: Nesli Basgoz, M.D.                  Mgmt          For                            For

1b.    Election of Director: Paul M. Bisaro                      Mgmt          For                            For

1c.    Election of Director: Joseph H. Boccuzi                   Mgmt          For                            For

1d.    Election of Director: Christopher W. Bodine               Mgmt          For                            For

1e.    Election of Director: Adriane M. Brown                    Mgmt          For                            For

1f.    Election of Director: Christopher J.                      Mgmt          For                            For
       Coughlin

1g.    Election of Director: Carol Anthony (John)                Mgmt          For                            For
       Davidson

1h.    Election of Director: Catherine M. Klema                  Mgmt          For                            For

1i.    Election of Director: Peter J. McDonnell,                 Mgmt          For                            For
       M.D.

1j.    Election of Director: Patrick J. O'Sullivan               Mgmt          For                            For

1k.    Election of Director: Brenton L. Saunders                 Mgmt          For                            For

1l.    Election of Director: Fred G. Weiss                       Mgmt          For                            For

2.     To approve, in a non-binding vote, Named                  Mgmt          For                            For
       Executive Officer compensation.

3.     To ratify, in a non-binding vote, the                     Mgmt          For                            For
       appointment of PricewaterhouseCoopers LLP
       as the Company's independent auditor for
       the fiscal year ending December 31, 2018
       and to authorize, in a binding vote, the
       Board of Directors, acting through its
       Audit and Compliance Committee, to
       determine PricewaterhouseCoopers LLP's
       remuneration.

4.     To renew the authority of the directors of                Mgmt          For                            For
       the Company (the "Directors") to issue
       shares.

5A.    To renew the authority of the Directors to                Mgmt          For                            For
       issue shares for cash without first
       offering shares to existing shareholders.

5B.    To authorize the Directors to allot new                   Mgmt          For                            For
       shares up to an additional 5% for cash in
       connection with an acquisition or other
       capital investment.

6.     To consider a shareholder proposal                        Shr           Against                        For
       requiring an independent Board Chairman, if
       properly presented at the meeting.




--------------------------------------------------------------------------------------------------------------------------
 AMERICAN INTERNATIONAL GROUP, INC.                                                          Agenda Number:  934756214
--------------------------------------------------------------------------------------------------------------------------
        Security:  026874784
    Meeting Type:  Annual
    Meeting Date:  09-May-2018
          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: SUZANNE NORA JOHNSON                Mgmt          For                            For

1i.    Election of Director: RONALD A. RITTENMEYER               Mgmt          For                            For

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

1k.    Election of Director: THERESA M. STONE                    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 ratify the                      Mgmt          For                            For
       selection of PricewaterhouseCoopers LLP as
       AIG's independent registered public
       accounting firm for 2018.




--------------------------------------------------------------------------------------------------------------------------
 GILEAD SCIENCES, INC.                                                                       Agenda Number:  934752925
--------------------------------------------------------------------------------------------------------------------------
        Security:  375558103
    Meeting Type:  Annual
    Meeting Date:  09-May-2018
          Ticker:  GILD
            ISIN:  US3755581036
--------------------------------------------------------------------------------------------------------------------------

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

1a.    Election of Director: John F. Cogan, Ph.D.                Mgmt          For                            For

1b.    Election of Director: Jacqueline K. Barton,               Mgmt          For                            For
       Ph.D.

1c.    Election of Director: Kelly A. Kramer                     Mgmt          For                            For

1d.    Election of Director: Kevin E. Lofton                     Mgmt          For                            For

1e.    Election of Director: John C. Martin, Ph.D.               Mgmt          For                            For

1f.    Election of Director: John F. Milligan,                   Mgmt          For                            For
       Ph.D.

1g.    Election of Director: Richard J. Whitley,                 Mgmt          For                            For
       M.D.

1h.    Election of Director: Gayle E. Wilson                     Mgmt          For                            For

1i.    Election of Director: Per Wold-Olsen                      Mgmt          For                            For

2.     To ratify the selection of Ernst & Young                  Mgmt          For                            For
       LLP by the Audit Committee of the Board of
       Directors as the independent registered
       public accounting firm of Gilead for the
       fiscal year ending December 31, 2018.

3.     To approve, on an advisory basis, the                     Mgmt          For                            For
       compensation of our Named Executive
       Officers as presented in the Proxy
       Statement.

4.     To vote on a stockholder proposal, if                     Shr           Against                        For
       properly presented at the meeting,
       requesting that the Board adopt a policy
       that the Chairman of the Board of Directors
       be an independent director.

5.     To vote on a stockholder proposal, if                     Shr           Against                        For
       properly presented at the meeting,
       requesting that the Board take steps to
       permit stockholder action by written
       consent.




--------------------------------------------------------------------------------------------------------------------------
 MAGELLAN MIDSTREAM PARTNERS,L.P.                                                            Agenda Number:  934734686
--------------------------------------------------------------------------------------------------------------------------
        Security:  559080106
    Meeting Type:  Annual
    Meeting Date:  26-Apr-2018
          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.     Advisory Resolution to Approve Executive                  Mgmt          For                            For
       Compensation

3.     Ratification of Appointment of Independent                Mgmt          For                            For
       Auditor




--------------------------------------------------------------------------------------------------------------------------
 OCEAN RIG UDW INC                                                                           Agenda Number:  934686354
--------------------------------------------------------------------------------------------------------------------------
        Security:  G66964118
    Meeting Type:  Special
    Meeting Date:  03-Nov-2017
          Ticker:  ORIG
            ISIN:  KYG669641188
--------------------------------------------------------------------------------------------------------------------------

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

1      TO APPROVE THE ENHANCED SPECIAL RESOLUTION                Mgmt          For                            For
       REQUIRED PURSUANT TO THE CURRENT AMENDED
       AND RESTATED ARTICLES OF ASSOCIATION OF THE
       COMPANY, TO DELETE THE AMENDED AND RESTATED
       MEMORANDUM AND ARTICLES OF ASSOCIATION OF
       THE COMPANY CURRENTLY IN EFFECT (THE
       "CURRENT AMENDED AND RESTATED MEMORANDUM
       AND ARTICLES") IN ...(DUE TO SPACE LIMITS,
       SEE PROXY STATEMENT FOR FULL PROPOSAL).

2      TO APPROVE THE ORDINARY RESOLUTION REQUIRED               Mgmt          For                            For
       PURSUANT TO THE CURRENT AMENDED AND
       RESTATED MEMORANDUM AND ARTICLES TO (I)
       REDUCE THE AUTHORIZED CAPITAL OF THE
       COMPANY FROM US$10,005,000,000 DIVIDED INTO
       ONE TRILLION (1,000,000,000,000) COMMON
       SHARES OF A PAR VALUE OF US$0.01 EACH AND
       FIVE HUNDRED ...(DUE TO SPACE LIMITS, SEE
       PROXY STATEMENT FOR FULL PROPOSAL).

3      TO APPROVE THE ORDINARY RESOLUTION REQUIRED               Mgmt          For                            For
       PURSUANT TO THE CURRENT AMENDED AND
       RESTATED MEMORANDUM AND ARTICLES TO (I)
       REDESIGNATE 1,500,000,000 EXISTING COMMON
       SHARES IN THE AUTHORIZED CAPITAL OF THE
       COMPANY AS CLASS A COMMON SHARES INCLUDING
       THE EXISTING ISSUED COMMON SHARES IN THE
       COMPANY; (II) ...(DUE TO SPACE LIMITS, SEE
       PROXY STATEMENT FOR FULL PROPOSAL).

4      SUCH OTHER BUSINESS AS MAY PROPERLY COME                  Mgmt          For                            For
       BEFORE THE MEETING OR ANY ADJOURNMENT
       THEREOF.




--------------------------------------------------------------------------------------------------------------------------
 OCEAN RIG UDW INC                                                                           Agenda Number:  934728429
--------------------------------------------------------------------------------------------------------------------------
        Security:  G66964118
    Meeting Type:  Annual
    Meeting Date:  05-Mar-2018
          Ticker:  ORIG
            ISIN:  KYG669641188
--------------------------------------------------------------------------------------------------------------------------

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

1.     To ratify the appointment of Ernst & Young                Mgmt          For                            For
       (Hellas) Certified Auditors Accountants
       S.A., as the Company's independent auditors
       for the fiscal year ending December 31,
       2018.

2.     To approve the special resolution required                Mgmt          For                            For
       pursuant to the Companies Law (2016
       Revision) of the laws of the Cayman Islands
       and the second amended and restated
       memorandum and articles of association of
       the Company to amend Article 32.4 of the
       second amended and restated memorandum and
       articles of association by deleting Article
       32.4 of the second amended and restated
       memorandum and articles of association of
       the Company in its entirety and replacing
       it




--------------------------------------------------------------------------------------------------------------------------
 SCHLUMBERGER LIMITED (SCHLUMBERGER N.V.)                                                    Agenda Number:  934735246
--------------------------------------------------------------------------------------------------------------------------
        Security:  806857108
    Meeting Type:  Annual
    Meeting Date:  04-Apr-2018
          Ticker:  SLB
            ISIN:  AN8068571086
--------------------------------------------------------------------------------------------------------------------------

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

1A.    Election of Director: Peter L.S. Currie                   Mgmt          For                            For

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

1C.    Election of Director: V. Maureen Kempston                 Mgmt          For                            For
       Darkes

1D.    Election of Director: Paal Kibsgaard                      Mgmt          For                            For

1E.    Election of Director: Nikolay Kudryavtsev                 Mgmt          For                            For

1F.    Election of Director: Helge Lund                          Mgmt          For                            For

1G.    Election of Director: Michael E. Marks                    Mgmt          For                            For

1H.    Election of Director: Indra K. Nooyi                      Mgmt          For                            For

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

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

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

2.     To approve, on an advisory basis, the                     Mgmt          For                            For
       Company's executive compensation.

3.     To report on the course of business during                Mgmt          For                            For
       the year ended December 31, 2017; and
       approve our consolidated balance sheet as
       of December 31, 2017; our consolidated
       statement of income for the year ended
       December 31, 2017; and our Board of
       Directors' declarations of dividends in
       2017, as reflected in our 2017 Annual
       Report to Stockholders.

4.     To ratify the appointment of                              Mgmt          For                            For
       PricewaterhouseCoopers LLP as independent
       auditors for 2018.

5.     To approve amended and restated French Sub                Mgmt          For                            For
       Plan for purposes of qualification under
       French Law.




--------------------------------------------------------------------------------------------------------------------------
 SOUTHWESTERN ENERGY COMPANY                                                                 Agenda Number:  934779844
--------------------------------------------------------------------------------------------------------------------------
        Security:  845467109
    Meeting Type:  Annual
    Meeting Date:  22-May-2018
          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: Gary P. Luquette                    Mgmt          For                            For

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

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

1.7    Election of Director: Terry W. Rathert                    Mgmt          For                            For

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

2.     Advisory vote to approve 2017 named                       Mgmt          For                            For
       executive officer compensation.

3.     Proposal to ratify the appointment of                     Mgmt          For                            For
       PricewaterhouseCoopers LLP to serve as the
       Company's independent registered public
       accounting firm for 2018.



* 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 & HIGH INCOME FUND
By (Signature)       /s/ John P. Calamos, Sr.
Name                 John P. Calamos, Sr.
Title                President
Date                 08/07/2018