The opening price of futures at night is based on the daily closing price, which is generated by call auction method. The opening price of call auction shall be made within 5 minutes before the opening of each trading day. Among them, the first 4 minutes is the time to declare the futures contract trading price order, and the last 1 minute is the call auction matching time, and the opening price is generated before the market opens.

Futures trading varieties:

Shanghai Futures Exchange can trade: gold, silver, copper, aluminum, zinc, lead and other products;

Dalian Commodity Exchange can trade: cotton, glass, japonica rice, methanol, rapeseed oil and so on.

Zhengzhou Commodity Exchange can trade PTA, methanol, soda ash, urea, sugar, cotton and so on.

China Futures Exchange can trade: CSI 500, CSI 300, SSE 50 stock index futures, etc.

Finally, the energy exchange can trade: crude oil futures, low sulfur fuel oil, no.20 glue, international copper and so on. Every product is different, some products can be served at night, and some products can't.