You need to enter and save your settings in "One-Click Trading" just once, and you will be able to open and close orders by a single mouse click. 

How to set One-Click Trading

Click on SELL or BUY buttons to start activating "One-Click Trading" service. Then, press "Continue" to unlock the feature. From now on, you can open the position just by clicking on SELL or BUY buttons.

Elements of "One-Click Trading" window

Contract specifications:

Current market price:

Company's title (or currency pair), financial instrument and its type:

Change from the closing price of the previous trading session:

One-click SELL (bid price) and BUY (ask price) buttons:

Current spread:

Order volume:

Required margin amount. Margin is the amount of your balance that is initially withheld when you open a position. Unlike free margin, margin does not count unrealised profits/losses. When you close, or partially close, the position, the used margin will decrease proportionally: