Closing price refers to the final transaction price on the day of the contract. If the contract is open all day, the opening price is the closing price of the day.
The opening price of a stock refers to the first transaction price of the stock after the market opens on each business day. According to the regulations of Shanghai Stock Exchange, the first trading price of a stock within half an hour after each opening is the opening price of the stock.
If there is no transaction in a stock within half an hour after the opening of the market, the closing price of the previous day shall be taken as the opening price of the day. Sometimes a stock has not been traded for several days in a row, and the on-site intermediary broker of the stock exchange puts forward the guiding price according to the price trend of the stock entrusted by the customer as the opening price after the transaction.
The closing price of a stock on a stock exchange is the closing price of the last transaction of a stock on a stock exchange every business day.
The above is about how the opening price and closing price of futures are generated.