In order to avoid excessive speculation, the entry threshold of stock index futures is relatively high, and the value of each contract is also relatively high, that is, the number of points of stock index ×300 yuan. Therefore, if a contract of Shanghai and Shenzhen 300 stock index futures is quoted at 3000 points, the value of 1 contract is (9 million) ten thousand yuan.

Futures is a margin system, and the margin is generally 5%-20% of the contract value. The margin ratio of stock index contracts is relatively high, with exchanges charging 12% and futures companies generally charging 15%-20%.

Therefore, if the Shanghai and Shenzhen 300 stock index futures contracts are quoted at 3000 points, the value of 1 contract is (900) ten thousand yuan. 1 The deposit for the contract is (13.5- 18) ten thousand yuan.