Futures settlement price refers to the calculation of members' trading margin, profit and loss, handling fees, delivery funds and other related funds according to the trading results and relevant regulations of the exchange. The benchmark price referenced when transferring business is the futures settlement price, which is divided into the settlement price of the day and the settlement price of the last trading day.

Calculation method:

Today's profit and loss = ∑ [(selling price-settlement price of the day) * selling quantity]+∑ [(settlement price of the day-settlement price of the day) * (selling positions on the previous trading day-buying positions on the previous trading day) *