Settlement price refers to the price of a certain variety calculated by using the weighted average price according to the price fluctuation after the close of the day. This price is mainly used in the market where there is no debt settlement on that day, and it is used to settle the profit and loss of the transaction on that day according to the settlement price at the closing time of the market.

Closing price: The closing price of Shanghai Stock Exchange is the weighted average price of all transactions (including the last transaction) one minute before the last transaction of the securities on that day. If there is no transaction on that day, the previous closing price is the closing price of that day. The closing price of Shenzhen Stock Exchange was generated by call auction. If the closing price of call auction cannot be generated, the closing price is the weighted average price of all transactions (including the last transaction) one minute before the last transaction of the securities on that day. If there is no transaction on that day, the previous closing price is the closing price of that day.