This is a legacy product and you can only withdraw funds from your Earn account.
To move funds back to your Trading account:
Tap: on the 'Earn' icon, located at the bottom of your screen.
Tap: on the 'Withdraw' icon.
You will see the funds you have available to transfer (in this example TUSD)
Tap: ‘Interest earning TUSD’
Enter the amount you wish to transfer
Please note, it can take up to 7 days to complete the withdrawal, but all interest accrued during this process will be included.
If you wish to deposit funds into an interest account you must apply and be approved for an Abra Boost account.