Broker

This field controls which broker your strategy will be connected to. By default, it will connect to the selected paper account and will only go to the selected live account if you have Use live broker account checked. If the broker you selected does not support live or paper trading, you will not be allowed to save your strategy settings.

It is recommended to start with a paper account to test your strategy before going live. This will help you understand how your strategy will perform in a live environment without risking real money. When you are ready to go live, you can create a new strategy subscription with the same settings and connect it to your live broker, or you can simple switch the broker in the existing strategy settings and check Use live broker account.