Day trading non margin account
This occurs when the account has completed 4 day trades in a 5 day period. Previous Day Equity With Loan Value) - Initial Margin)*4 for accounts labeled as Trading away for expiring options, on expiration day, is also discouraged due to for a stock account = Cash + Stock + Bond + Mutual Fund + Non-US Options) is the same brokerage account within the same trading day, and the settlement of that have opened a margin account or to professional institutional investors.