Can I select a base currency other than USD or CAD for my IBKR Canada account?

While clients maintaining a "Margin" type IRA account are eligible to hold long cash balances in currencies other than USD, only withdrawals or transfers denominated in USD are allowed…

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 In addition, only balances denominated in USD may be withdrawn or transferred from an IRA account. …

An IRA account may trade products denominated in a currency other than the USD Base Currency, but such accounts are not allowed to borrow cash in any currency. Therefore, if you are looking to purchase a product denominated in a currency other than the Base Currency, you would need to first convert your Base Currency into the denominated currency of that product. …

Clients maintaining a cash or margin account opened via IBKR (Taiwan), are required to select their base currency when completing the account application process. While the account does not need to be funded in the base currency, funds below 5 USD or equivalent in any other supported IBKR currencies will be automatically exchanged to the preset base currency…