It is the difference between the quotes for a financial instrument at the time that trades are closed and opened on a single trading platform. In the Forex market, there is a significant difference for currency pair quotes between the closing of the markets on Friday and the opening of the markets on Monday.
IMPORTANT: Please be informed, that our services are available for Professional Clients only. CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.