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N-2 - $ / shares	Aug. 29, 2025	Aug. 27, 2025
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Entity Central Index Key	0000925683
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Entity Registrant Name	John Hancock Financial Opportunities Fund
General Description of Registrant [Abstract]
Share Price		$ 37.44
NAV Per Share		$ 36.73
Latest Premium (Discount) to NAV [Percent]		1.93%

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