All Futures Expiration dates for 2019 and 2020 can be found here.
Futures CFDs rollover on the day the underlying future contract expires.
Individual asset expiration dates can be found via the "Information" button on the platform’s trade ticket.
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.