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; Closing position refers to the behavior of futures traders to buy or sell futures contracts with the same variety code, quantity and delivery month but opposite trading direction, and close positions.

In futures trading, whether buying or selling, all new positions are called opening positions. A trader holds a position in his hand after opening a position, which is called a position. Closing a position refers to the trading behavior of a trader, and the way to close a position is to hedge the position in the opposite direction. Buy when opening positions and sell when closing positions; When opening a position, selling is out, and closing a position is buying.

Since opening and closing positions have different meanings, traders must specify whether to open or close positions when buying and selling futures contracts.