Metal (copper, aluminum, zinc, etc.) and other commodity futures. ) are 5 tons, agricultural products (corn, soybeans, soybean meal, soybean oil, sugar, wheat and so on. ) is 10 ton. Gold skill1000g. The value of the first-hand contract of stock index futures is the Shanghai and Shenzhen 300 Index (points) multiplied by 300 yuan. Futures, like spot, are all bought and sold manually, and the minimum number of buying and selling lots is one hand.