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NON-INTEREST COST AND EXPENSES BY NATURE (Details) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2025 HKD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 HKD ($) | Dec. 31, 2023 HKD ($)
NON-INTEREST COST AND EXPENSES BY NATURE |  |  |  |
Employee compensation and benefits | $ 3,505,373 |  | $ 2,934,035 | $ 2,539,858
Marketing and branding | 1,616,640 |  | 1,032,197 | 461,594
Brokerage commission and handling charge expenses (Note 19) | 606,044 | $ 77,865 | 341,238 | 249,567
Processing and servicing costs (Note 21) | 578,459 | $ 74,321 | 486,783 | 375,904
Rental and other related expenses | 211,374 |  | 175,802 | 157,898
Depreciation and amortization | 72,313 |  | 69,917 | 60,849
Professional services | 68,898 |  | 79,218 | 69,324
Others | 349,338 |  | 231,781 | 175,182
Total | $ 7,008,439 |  | $ 5,350,971 | $ 4,090,176

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