In futures trading software, inventory should refer to the delivery warehouse designated by each futures exchange. Different varieties and different futures exchanges designate different delivery warehouses, even if the same variety designates more than one delivery warehouse.
The so-called inventory refers to the total quantity that has entered the delivery warehouse and registered as a warehouse receipt, which is constantly changing.
Futures inventory refers to the quantity of goods stored in the warehouse designated by the futures exchange for delivery in the futures market. Inventory is divided into two categories, one is registered as warehouse receipt, and the other is unregistered as warehouse receipt. Only those registered as warehouse receipts can be finally used for delivery.