0000001 - Document - COVER link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - AUDIT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - BUSINESS COMBINATIONS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - REVENUES link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - ALLOWANCE FOR CREDIT LOSSES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - PROPERTY, SOFTWARE, AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - SECURITIES BORROWING AND LENDING link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - FINANCING ACTIVITIES AND OFF-BALANCE SHEET RISK link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - NET INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - COMMITMENTS & CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - BUSINESS COMBINATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - PROPERTY, SOFTWARE, AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - SECURITIES BORROWING AND LENDING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule Of Concentration Of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Software and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - BUSINESS COMBINATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - BUSINESS COMBINATIONS - Schedule of Acquisition Date Fair Value of Consideration Transferred (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - BUSINESS COMBINATIONS - Schedule of Components of Identifiable Intangible Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Movement on Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Components of Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Components of Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Future Amortization Expenses In Acquired In Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - REVENUES - Revenue Disaggregated by Revenue Sources (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - REVENUES - Interest Revenue Earned And Interest Expense Paid From Securities Lending (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - REVENUES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - REVENUES - Receivables and Contract Liabilities Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses of Brokerage Related (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Schedule of Expected Credit Loss of Accounts Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses of Receivables From Users (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Credit Card Receivable Aging Analysis (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Credit Quality Indicators (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Held-To-Maturity Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Amortized Cost And Fair Value Of Held-To-Maturity Investments By Contractual Maturity Date (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Schedule of Financial Asset and Liabilities Measured At Fair Value On a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Schedule of Changes in the Estimated Fair Value of Robinhood Ventures Fund Investments in Non-Marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENT - Schedule of Financial Asset and Liabilities Measured At Fair Value On a Non- Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - INCOME TAXES - Components of Income (Loss) Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - INCOME TAXES - Components of Income Tax Provision (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate and Our Effective Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - INCOME TAXES - Provision For (Benefit From) Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - INCOME TAXES - Net Income Taxes Paid Consisted (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - INCOME TAXES - Deferred Tax Asset Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - PROPERTY, SOFTWARE, AND EQUIPMENT, NET - Schedule Of Property, Software and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - PROPERTY, SOFTWARE, AND EQUIPMENT, NET - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - SECURITIES BORROWING AND LENDING - Schedule Of Assets and Liabilities Subject To Master netting Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - SECURITIES BORROWING AND LENDING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - FINANCING ACTIVITIES AND OFF-BALANCE SHEET RISK (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Preferred Stock and Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Equity Incentive Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Schedule Of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Schedule Of Activity Related To Time-Based (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Time-Based RSUs and Market-Based RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Employee Share Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Acquisition of TradePMR (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Schedule Of Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - COMMON STOCK AND STOCKHOLDERS' EQUITY - Share-based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Basic and Diluted Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Potential Common Shares Excluded from the Calculation of Diluted Net Income (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - LEASES - Supplemental Balance Sheet Disclosures (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - LEASES - Components Of Lease Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - LEASES - Schedule Of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - LEASES - Schedule Of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - COMMITMENTS & CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink