The closing price, also known as FOB price, refers to the price at which coal is shipped to the port, including all expenses before boarding, that is, the seller loads the coal, but does not pay the sea freight. Closing price is a term used in stock market futures. In stock trading, bulls sell the stocks they buy, or short sellers buy back the stocks they sell. In order to sell the originally bought contract or buy the originally sold contract, the result of closing the position is to reduce the position. Closing the short position is equivalent to buying, and closing the long position is equivalent to selling.

The whole process of futures trading can be summarized as opening positions, holding positions, closing positions or physical delivery. Opening a position, also known as opening a position, refers to the new purchase or sale of a certain number of futures contracts by traders. In the futures market, buying and selling a futures contract is equivalent to signing a forward delivery contract.

Futures and spot are completely different. Spot is actually a tradable commodity. Futures are mainly not commodities, but standardized tradable contracts with some bulk products such as cotton, soybeans and oil and financial assets such as stocks and bonds as the targets.

The classification of liquidation includes: 1, hedge liquidation, which is the behavior of futures investment enterprises to buy futures contracts in the same futures exchange and sell futures contracts in the same delivery month to close the futures contracts sold or bought before; 2. Forced liquidation refers to the behavior of a third party other than the position holder, including futures exchanges and futures brokerage companies to forcibly liquidate the position holder.