According to the regulations of Shanghai Futures Exchange, the price of gold futures is 1 1,000 grams, which is about 33,000 grams according to the current gold price. The minimum fluctuation price is 0.05 yuan/gram, and the maximum fluctuation limit of daily price does not exceed 5% of the settlement price of the previous trading day. The contract month is 4% of the contract amount in the last three consecutive months, and the bimonthly contract in the last 13 months.