You can withdraw money from your Plum Interest (i.e. the 'MMF Investment Account') at any time by tapping the ‘Save’ menu button, then tapping the ‘Plum Interest’ tab, and then on ‘Withdraw’.
Please note that the estimated processing time will be displayed on the Plum app screen, but this is an estimate, and withdrawals are typically processed in one 1 working day subject to the cut-off time.
Once your withdrawal order is successfully processed, the proceeds from that transaction will be credited and reflected in your Primary Pocket.