No, all users/accounts owned by a client will need to be either IBKR Lite or IBKR Pro. However, if one account is linked to an advisor a client may open a second, independent account that can be either IBKR Lite or Pro.
Can I have one account as IBKR Lite and one account as IBKR Pro?
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How do I open an IBKR Lite account?
Does IBKR Lite have the same account protection as IBKR Pro?
Can I have one account as IBKR Lite and one account as IBKR Pro with IBKR Singapore?
Can introducing brokers have both IBKR Lite and Pro clients?