You don't need a 1099-B to report investment losses. Capital gains, losses, and 1099-B forms are all entered in the same place:
- Open or continue your return.
- Navigate to the investment sales section:
- TurboTax Online/Mobile: Go to investment sales.
- TurboTax Desktop: Search for investment sales and then select the Jump to link.
- Answer Yes to the question Did you have investment income in 2024?
- If you land on the Your investments and savings screen, select Add investments.
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