Flesh. Futures have an external market. Futures are different from internal futures. Its essence is a trading contract that is traded in the normal trading of the exchange. Investors can refer to the nail market in the United States and the fingertip market in Chicago to see the domestic Zhijiang futures market. Investors in our country can see that our Zhijiang futures code starts with S P, and only the futures listed on Shanghai Futures Exchange. Daily trading hours are from 9:00 to 1 1:30, and night trading hours are 2 1.