Can I request trading permissions for B3 in more than one account?

There are no fees to open an account with IBKR. There are no custodian, trading platform or monthly activity fees for clients except for ISA and TBSZ accounts along with accounts holding positions or actively trading on the B3 (Brasil, Bolsa, Balcão).  However, there are some…

Each IBKR account is only allowed one paper trading account. If you have multiple IBKR accounts, each one can have its own paper trading account.

To open a second paper trading account:…

Retail and Institutional clients with an account registered on the B3 (Brasil, Bolsa, Balcão) are charged a flat monthly custody fee. This is a pass-through fee charged by B3 for maintaining an open account registration, and it applies for as long as the account remains open regardless of whether you traded that month…

Clients may select a Base Currency other than USD for their IRA account although this election does not allow any different trading permissions than those determined by the "Cash" or "Margin" type account election. In addition, only balances denominated in USD may be withdrawn or transferred from an IRA account. …