Refer to your investment records or sales tickets to determine the cost basis.
When entering the IRS form 1099-B transaction, select The cost basis is incorrect or missing on my 1099-B.
On the screen We noticed there's an issue with your cost basis, enter the correct value.
The issuer of the IRS form 1099-B either does not have cost basis or is not required to report the cost basis to the IRS.
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