    <SEC-DOCUMENT>0001145443-19-000146-index.html : 20190301
    <SEC-HEADER>0001145443-19-000146.hdr.sgml : 20190301
    <ACCEPTANCE-DATETIME>20190301121347
    ACCESSION NUMBER:		0001145443-19-000146
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20181231
    FILED AS OF DATE:		20190301
    DATE AS OF CHANGE:		20190301
    EFFECTIVENESS DATE:		20190301

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			JOHN HANCOCK FINANCIAL OPPORTUNITIES FUND
    		CENTRAL INDEX KEY:			0000925683
    		IRS NUMBER:				043241844
    		STATE OF INCORPORATION:			MA

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-08568
    		FILM NUMBER:		19647759

    	BUSINESS ADDRESS:
    		STREET 1:		C/O JOHN HANCOCK FUNDS
    		STREET 2:		601 CONGRESS STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02210
    		BUSINESS PHONE:		617-663-3000

    	MAIL ADDRESS:
    		STREET 1:		C/O JOHN HANCOCK FUNDS
    		STREET 2:		601 CONGRESS STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02210

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	JOHN HANCOCK BANK & THRIFT OPPORTUNITY FUND
    		DATE OF NAME CHANGE:	20110214

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HANCOCK JOHN BANK & THRIFT OPPORTUNITY FUND
    		DATE OF NAME CHANGE:	19940728

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HANCOCK JOHN REGIONAL BANK & THRIFT FUND
    		DATE OF NAME CHANGE:	19940620
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d353217.htm
    <DESCRIPTION>N-CSR
    <TEXT>
    Document 1 - file: d353217.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(A)(1)
    <SEQUENCE>2
    <FILENAME>d353217_ex99-coe.htm
    <DESCRIPTION>EX-99.(A)(1)
    <TEXT>
    Document 2 - file: d353217_ex99-coe.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(A)(2)
    <SEQUENCE>3
    <FILENAME>d353217_ex99-cert.htm
    <DESCRIPTION>EX-99.(A)(2)
    <TEXT>
    Document 3 - file: d353217_ex99-cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(B)(1)
    <SEQUENCE>4
    <FILENAME>d353217_ex99-906.htm
    <DESCRIPTION>EX-99.(B)(1)
    <TEXT>
    Document 4 - file: d353217_ex99-906.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(C)(1)
    <SEQUENCE>5
    <FILENAME>d353217_ex99-c1.htm
    <DESCRIPTION>EX-99.(C)(1)
    <TEXT>
    Document 5 - file: d353217_ex99-c1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(C)(2)
    <SEQUENCE>6
    <FILENAME>d353217_ex99-c2.htm
    <DESCRIPTION>EX-99.(C)(2)
    <TEXT>
    Document 6 - file: d353217_ex99-c2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(C)(3)
    <SEQUENCE>7
    <FILENAME>d353217_ex99-c3.htm
    <DESCRIPTION>EX-99.(C)(3)
    <TEXT>
    Document 7 - file: d353217_ex99-c3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>jhreport_spec-covermasked.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: jhreport_spec-covermasked.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>jhreport_letter.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: jhreport_letter.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>andrewarnott_sig.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: andrewarnott_sig.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>jhp9a_aatrbar.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: jhp9a_aatrbar.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>jh2x21_portfoliocomppie.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: jh2x21_portfoliocomppie.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>jh2x21_industrycomppie.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: jh2x21_industrycomppie.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>susanacurry.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: susanacurry.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>lisaawelch.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: lisaawelch.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>ryanplentell.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: ryanplentell.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>jhassetmanagement_logo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: jhassetmanagement_logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>jhsocialmedialogo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: jhsocialmedialogo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>jhbclogo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: jhbclogo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>jhcs3497211-ncsr1x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: jhcs3497211-ncsr1x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>jhf3532171-manulifex1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: jhf3532171-manulifex1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>jhf3532171-manulifex1x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: jhf3532171-manulifex1x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>jhf3532171-manulifex2x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: jhf3532171-manulifex2x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>jhf3532171-201809x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: jhf3532171-201809x1x1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>