1. Manual Close: The user actively settles the open order.
2. System Close (Take Profit): The order is automatically closed when it reaches the take-profit price.
3. System Close (Stop Loss): The order is automatically closed when it reaches the stop-loss price.
4. System Close (No Overnight Position): The order is automatically closed at the clearing time if no overnight position is set.
5. System Close (Insufficient Overnight Fee): The order is set for overnight holding, but the account balance is insufficient to cover the overnight fee, so the position is automatically closed at the clearing time.