Also get all screenshots / video evidence of your account that you can (bandicam / thundersoft screen recorders).
This would possibly include any relevant live chat/email conversation. Or your broker account backoffice (cabinet/client account management panel).
--> If you have any credit cards on file with the alleged scammer (or any payment method that may be compromised), you may consider at least placing a temporary block on the card (or changing the payment pin/ID. This may prevent any further losses.