An account must first have approved US option trading permissions to enter an option order. A margin account is permitted to trade naked short calls and option combo spreads that include a short call leg. You can trade a Bull credit put combo spread in a margin type account, but if you have a Cash type account the short put leg must be fully cash secured.
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Please feel free to visit the Margin page of our website for more information, as well as the MEXEM Knowledge Base for additional information on Trading Permissions in an IRA account.

You can review or modify your trading permissions in Client Portal or Account Management.