When you subscribe, you choose which account will do the copying. In the subscribe screen the Investor Account section lets you pick an existing account or create a new one.
Use an available account
Under the Available tab, select one of your existing investment accounts. Each card shows the account number, type, platform, balance, and equity so you can pick the right one.

Create a new account
Switch to Create New Account to set up a fresh investment account on a trading platform as part of the subscription.

