The number of futures points generally refers to the price of futures varieties, and the profit and loss of open contracts are settled at the settlement price of the day. The floating profit and loss on the opening day shall be calculated according to the difference between the settlement price and the opening price of the day.
Cumulative floating profit and loss = (selling transaction price-settlement price of the day) × selling volume
Or = (settlement price of the day-purchase transaction price) × purchase amount