You can manually take out funds from your pie at any time you like. To do so, go to your pie's 'Overview' screen tap on the 'Invest / Withdraw funds' button:
On the Invest / Withdraw screen switch to the 'Withdraw' tab.
Use the slider to specify the exact amount of funds you want to withdraw. Below the slider, you'll see a preview of how much of each investment will be sold:
Fund distribution options
You can choose between different methods of fund distribution. Tap on the arrow next to the 'Fund distribution' label to bring up the options screen:
By targets - will sell investments according to the pie's targets.
Custom - you will be able to select exactly how much of each investment you would like to sell. All slices in your pie will be listed and each will be paired to a slider:
By taping on Confirm Sell you will send all required orders to the exchanges. You'll get notified when the investing has been completed. If markets are currently open the process will be completed in a matter of seconds.
Note: Whenever you are withdrawing funds, the free cash in your pie will always be prioritized over selling securities.