Can I withdraw funds in any currency in an IRA account?

If you have an existing Roth IRA account and you would like to transfer it to a Roth IRA account with Interactive Brokers, you will want to select "Roth" as the IRA account type when applying for a new 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. …

There is no minimum deposit required for an IRA account…

No. IBKR does not charge a fee for outgoing IRA account transfers…