Buy to close the position: sell the short order to close the position. This is the term for futures

Closing a position (close position) means that a futures trader buys or sells a futures contract of the same type, quantity and delivery month as the futures contract he holds but in the opposite trading direction, closing the futures The behavior of trading, simply put, is "sell what was originally bought, and buy what was originally sold (short selling)."

The whole process of futures trading can be summarized as opening a position, holding a position, Liquidation or physical delivery. Building a position is also called opening a position, which means that a trader newly buys or sells a certain number of futures contracts. Buying or selling a futures contract in the futures market is equivalent to signing a forward delivery contract. If a trader keeps this futures contract until the end of the last trading day, he must close the futures transaction through physical delivery or cash settlement. However, there are only a few who perform physical delivery. Most speculators and hedgers generally choose the opportunity to sell the purchased futures contract before the end of the last trading day, or to buy back the sold futures contract. That is, a futures transaction of equal quantity and opposite direction is used to offset the original futures contract, thereby closing the futures transaction and releasing the obligation for physical delivery upon expiration. This act of buying back a sold contract or selling a bought contract is called closing a position.

Close position refers to the behavior of futures investors buying or selling stock index futures contracts of the same variety, quantity and delivery month as the stock index futures contracts they hold but with opposite trading directions to close stock index futures transactions. It can also be understood as: position closing refers to the transaction behavior of traders closing their positions, and the way of closing is to make opposite hedging transactions in the direction of the position.