There are two main kinds of futures handling fees: intraday trading and overnight trading fees. If an open position is closed before the closing of new york on the same day (around 5:00 am Beijing time), then the transaction can be regarded as an intraday transaction; If new york does not open its position before the close of the day, then the transaction is called overnight transaction, and overnight interest may be charged or paid for overnight transaction, which can be regarded as a handling fee. Shanghai aluminum futures, opening fee for overnight trading 1.5 yuan, closing fee 1.5 yuan.