Document and Entity Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact Class of Stock [Axis] Class of Stock [Domain] Class A Ordinary Shares [Member] Class A ordinary shares Class B Ordinary Shares [Member] Class B ordinary shares ADR [Member] ADS Document Information [Line Items] Document and Entity Information Document Type Document Registration Statement Document Annual Report Document Period End Date Document Transition Report Document Shell Company Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, Country Contact Personnel Name City Area Code Local Phone Number Contact Personnel Email Address Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well Known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction Document Accounting Standard Entity Shell Company Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Auditor Name No Trading Symbol Flag Auditor Location Auditor Firm ID CONSOLIDATED BALANCE SHEETS Statement [Table] Counterparty Name [Axis] Counterparty Name [Domain] Represents the information pertaining to Tencent Group and its subsidiaries, principal shareholder. Tencent Holdings Limited And Its Subsidiaries [Member] Tencent Group Statement [Line Items] Statement Assets [Abstract] ASSETS Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalent Cash Segregated under Other Regulations Cash held on behalf of clients Cash held on behalf of clients Restricted Cash, Current Restricted cash Restricted cash Amount of term deposits held with financial institutions. Term Deposits Term deposit Short-term Investments. Short-term investments Total Securities Purchased under Agreements to Resell Securities purchased under agreements to resell Financing Receivable, after Allowance for Credit Loss, Current Loans and advances - current (net of allowance of HK$85,252 thousand and HK$374,604 thousand as of December 31, 2024 and 2025, respectively) Receivables from Brokers-Dealers and Clearing Organizations [Abstract] Receivables: Receivables from Customers Clients Commissions and Floor Brokerage Receivables Brokers Receivables from Clearing Organizations Clearing organizations Amount of unsettled cash with fund management companies and fund distributors. Receivables From Fund Management Companies And Fund Distributors Fund management companies and fund distributors Interest Receivable Interest Other Receivables, Net, Current Amounts due from related parties Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Prepaid Expense Prepaid assets Other Assets, Current Other current assets Total Assets, Current Total current assets Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating lease right-of-use assets Long-term Investments. Long-term investments Total The total amount of loans and advances given (longer than one operating cycle). Loans And Advances Noncurrent Loans and advances - non-current Other Assets, Noncurrent Other non-current assets Total Assets, Noncurrent Total non-current assets Assets Total assets Total assets Liabilities [Abstract] LIABILITIES Other Liabilities, Current Amounts due to related parties Other Liability, Related Party, Type [Extensible Enumeration] Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization [Abstract] Payables: Broker-Dealer, Payable to Customer Clients Due to Correspondent Brokers Brokers Commissions Payable to Broker-Dealers and Clearing Organizations Clearing organizations Amount payable to fund management companies and fund distributors. Payables To Fund Management Companies And Fund Distributors Fund management companies and fund distributors Interest Payable, Current Interest Notes and Loans Payable Borrowings Borrowings from banks Assets Sold under Agreements to Repurchase, Carrying Amount Securities sold under agreements to repurchase Operating Lease, Liability, Current Lease liabilities - current Accrued Liabilities and Other Liabilities Accrued expenses and other current liabilities Total Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Lease liabilities - non-current Others Other non-current liabilities Total Liabilities, Noncurrent Total non-current liabilities Liabilities Total liabilities Total liabilities Commitments and Contingencies. Commitments and Contingencies (Note 26) Stockholders' Equity Attributable to Parent [Abstract] SHAREHOLDERS' EQUITY Common Stock, Value, Issued Ordinary shares Additional Paid in Capital Additional paid-in capital Treasury Stock, Value Treasury stock (144,498,392 and 144,498,392 shares as of December 31, 2024 and 2025, respectively) Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive (loss)/income Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total shareholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Ending balance Beginning balance Total equity Liabilities and Equity Total liabilities and equity Financing Receivable, Allowance for Credit Loss, Current Allowances for loans and advances Common Stock, Par or Stated Value Per Share Ordinary shares, par value Ordinary shares, par value (in dollars per share) Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Ordinary shares, shares outstanding Treasury Stock, Common, Shares Ending balance, Treasury stock (in shares) Beginning balance, Treasury stock (in shares) Treasury stock shares CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Revenues [Abstract] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Brokerage commission and handling charge income Total Interest Income, Operating Interest income Total Other Income. Other income Total Revenues Total operating revenue Total revenues Revenues Operating Costs and Expenses [Abstract] Costs The amount of expenses related to brokerage commission and handling charges in the period. Brokerage Commission and Handling Charge Expenses. Brokerage commission and handling charge expenses Brokerage commission and handling charge expenses (Note 19) Total Financing Interest Expense Interest expenses Total The amount of expense during the period paid for market information, cloud service, data transmission and etc. Processing and Servicing Costs. Processing and servicing costs Processing and servicing costs (Note 21) Total Cost of Revenue Total costs Gross Profit Total gross profit Operating Expenses [Abstract] Operating expenses Research and Development Expense Research and development expenses Selling and Marketing Expense. Selling and marketing expenses General and Administrative Expense General and administrative expenses Operating Expenses Total operating expenses Operating Income (Loss) Income from operations Other Operating Income Others, net Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income before income tax expenses and share of loss from equity method investments Income before income tax expenses and share of loss from equity method investments Income Tax Expense (Benefit) Income tax expenses Income tax expenses Income (Loss) from Equity Method Investments Share of loss from equity method investments Share of loss from equity method investments Gain (loss) on investment Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Profit/(loss) for the year Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] Attributable to: Ordinary shareholders of the Company Net Income (Loss) Attributable to Noncontrolling Interest Non-controlling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive (loss)/income, net of tax Amount after tax and reclassification adjustments of income (expense) due to changes in the fair value of financial assets. Other Comprehensive Income (Loss), Fair Value Adjustment Of Financial Assets, Net of Tax Changes in the fair value of financial assets Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Foreign currency translation adjustment, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract] Attributable to: Comprehensive Income (Loss), Net of Tax, Attributable to Parent Ordinary shareholders of the Company Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Non-controlling interests NET INCOME PER SHARE Net income per share attributable to ordinary shareholders of the Company Earnings Per Share, Basic Basic Net income per share attributable to ordinary shareholders of the Company - basic Earnings Per Share, Diluted Diluted Net income per share attributable to ordinary shareholders of the Company - diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of ordinary shares used in computing net income per share Denominator: Weighted Average Number of Shares Outstanding, Basic Basic Weighted average number of ordinary shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted average number of ordinary shares outstanding - diluted CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Parent [Member] Total shareholders' equity Ordinary shares Ordinary shares Treasury stock purchases Additional Paid In Capital [Member] Additional paid in capital Accumulated other comprehensive (loss)/income Retained earnings Noncontrolling Interest Noncontrolling Interest Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Share-based compensation Stock Issued During Period, Shares, Conversion of Convertible Securities Ordinary shares conversion Stock Issued During Period, Value, Stock Options Exercised Shares issued upon exercise of employee share options/ RSUs Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised (in shares) Shares issued upon exercise of employee share options/ RSUs (in shares) Options exercised (in shares) Represents the number of shares surrendered and cancelled during the period. Shares Surrendered And Cancelled During Period, Shares Surrendered and cancellation of Class A ordinary shares (in shares) Stock Issued During Period, Value, Conversion of Units Share conversion from Class B to Class A Stock Issued During Period, Shares, Conversion of Units Share conversion from Class B to Class A (in shares) Treasury Stock, Value, Acquired, Cost Method Treasury stock purchases Total consideration Treasury Stock, Shares, Acquired Number of shares repurchased Treasury stock purchases (in shares) Noncontrolling Interest, Increase from Business Combination Acquisition of subsidiaries Noncontrolling Interest, Increase from Subsidiary Equity Issuance Capital injections from non-controlling interests Dividends, Common Stock Declaration of dividend CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments for: Other Depreciation and Amortization Depreciation and amortization Financing Receivable, Credit Loss, Expense (Reversal) Expected credit loss expenses Foreign Currency Transaction Gain (Loss), before Tax Foreign exchange (gains)/losses Share-based Payment Arrangement, Expense Share-based compensation Total share-based compensation expenses Amount of realized gain (loss) on short-term investment. Realized Short Term Investment Gains (Losses) Realized gain from investments Realized gain from investments Amount of unrealized gain (loss) on short-term investment. Unrealized Short Term Investment Gains (Losses) Unrealized (gains)/ losses from investments Amount of revaluation gain (loss) on previously held equity interest recognized during the period. Revaluation Gain (Loss) On Previously Held Equity Interest Revaluation gain on previously held equity interest Deferred Income Tax Expense (Benefit) Deferred income tax benefit Operating Lease, Right-of-Use Asset, Amortization Expense Amortization of right-of-use assets Gain (Loss) on Disposition of Property Plant Equipment Realized loss from disposal of property and equipment and intangible assets Increase (Decrease) in Operating Assets [Abstract] Changes in operating assets: Increase (Decrease) in Due from Related Parties Net (increase)/decrease in amounts due from related parties Amount of increase (decrease) from purchase of security purchased under agreement to resell. Securities Purchased under Agreements to Resell, Increase (Decrease) Net increase in securities purchased under agreements to resell Increase (Decrease) in Finance Receivables Net increase in loans and advances