Click on the “i” information icon anytime for a reminder on your margin coverage warning and liquidation levels.

The margin bar will change colours to show the current status of your account. Margin is calculated in real time.
This means that the margin requirement will change in real time, while markets are open.

When placing a market order, you have the chance to add linked orders specific to that trade, meaning you can add Stop Loss & Take Profit levels.
If your account reaches between 100% and 50%, your account will be in warning (i.e., margin call):
If your account margin ratio reaches 50% then some or all your positions will be automatically closed: