You can reverse an allocated trade on Coinbase Prime from the source portfolio within 24 hours after it’s completed. Keep in mind that allocated trades:
Are reversed at the same average price of the initial allocation.
Can’t be reversed if each portfolio involved doesn’t have adequate funding.
Can only be reversed for the entire amount, partial amounts can’t be reversed.
To reverse allocated trades:
Click the Activity tab on the left side of the page.
Search for and select the allocation you’d like to reverse.
Click Reverse Allocation.
Select Reverse Allocation.
You can view the reversed allocated trades in your account history under the Activities tab. It’ll also be reflected in your account statements and activity reports. Additionally, you can reallocate the trades. Reallocation must occur within 72 hours of completing trade.