Hello, stock index futures also set a daily limit, which mainly includes three points. 1. The price of stock index futures contracts shall be limited to 10% of the settlement price of the previous trading day. Second, the daily limit of quarterly and monthly contracts on the first day of listing is 20% of the benchmark price. If the transaction is made on the first day of listing, the next trading day will be restored to the range of price limit stipulated in the contract; If there is no transaction on the first day of listing, the price limit of the previous trading day will continue to be implemented on the next trading day. Third, the rise and fall of stock index futures contracts on the last trading day is limited to 20% of the settlement price of the previous trading day.