When you sell or trade a token but your balance is insufficient to cover the full amount, the software automatically assigns a value of zero to the missing portion, in accordance with current tax regulations.
This situation can occur, for example, if certain incoming transactions for that token are missing—perhaps due to incomplete data from connected wallets or exchanges—resulting in a negative balance. In such cases, any resulting capital gain or loss may appear higher than it actually is.
You have two options:
You may choose to leave the calculation as is. This is a fiscally compliant and conservative approach.
Alternatively, you can investigate and manually add the missing transactions to restore the correct balance and achieve a more accurate capital gains calculation.
How does the icon look like?
When a transaction is imported—either manually or automatically—that represents the outflow of a token for which there were insufficient funds to cover the amount, an icon like the one shown in the image below will appear next to the affected transaction.
Hovering over the icon with the mouse will display a message informing the user about the calculation executed to determine the indicated capital gain and how to adjust it for corrections.
The message will appear as shown in the image below.
The icon is also present inside the transaction details next to the Capital gain amount
