The month of the Hang Seng Index futures contract is the current month, the next month and the following two quarterly months (March, June, September and1February) * * * four months, and its trading mode is conducted through the electronic trading system of the Exchange. The penultimate trading day of each month is the last trading day and the settlement price calculation date, and the first trading day after the last trading day is the final settlement date. Futures products are settled by the Hong Kong Stock Exchange. The specific trading time is Monday to Friday from 9:45 am to afternoon12: 30; 2:30 pm to 4:00 pm15, and the closing time of the last trading day is 4: 00 pm.