After 3:00 pm (Eastern) on the day of expiration, in order for the Options AI team to assess potential expiration risk and take action where it determines is necessary, you may no longer be able to enter closing orders on expiring options positions in your account. During this time, if the Options AI team determines any individual option or a multi-leg options spread to be subject to expiration risk, it may take action to close that position prior to the market close.