Customers cannot lose more than the funds they have on their account. The “Margin Call” feature exists in order to prevent your account from having a negative balance. For more information please read “What is a Margin Call?”
CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 72% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.