Just like stocks, they are all linked to buying and selling orders. For example, 50 lots are associated with the buy order of corn 1500, and100 lots are associated with the sell order of corn 15065438. If you want to buy it, you can make a deal directly at the price sold by others (150 1). If you want to sell it, you can do it directly.

Closing positions can be divided into hedging closing positions and forced closing positions.

Hedging liquidation refers to the option contract settlement method in which the options held by investors are hedged with the same options with the opposite trading direction and equal trading quantity. Hedging refers to the settlement of previously bought (sold) contracts by selling (buying) futures contracts in the same delivery month. Closing a position refers to the behavior of futures traders to buy or sell futures contracts with the same variety, quantity and delivery month but in the opposite direction, and close futures trading.

The futures market is a two-way trading system. In a complete futures transaction, there are usually the following liquidation methods: first, buy-open the position first, then sell-close the position; Second, sell-open the position first, then buy-close the position; Third, purchase, pay the full deposit after the expiration to participate in the delivery and receipt; Fourth, sell and submit standard warehouse receipt (cargo certificate) to participate in delivery and collection after maturity. Among the above four methods, the first and second methods belong to "hedge liquidation".