Lt. Colonel
I have problems with Trade24. They are described in detail in the attached document.
Trade-24 already marked as a scam Broker base on Trader`s vote and scamming cases. You can read more here

Now, come to the solution of your problem, If you deposited your money via credit card then contact the credit card customer care asap and ask them to file a chargeback OR Contact Rebecca here WinChargeback, she will help you to get back your money.

You can also share your story on their social media pages suggested below to draw their attention to your issue.

Note: Don’t forget to update your review/s when you got solution of your problem