What does "building a warehouse" mean?

Building a position refers to establishing an order. If you predict that the price of a certain product will rise, you need to "buy" to build a position; If you predict that the price of a product will fall, you need to "sell" to build a position. "Market price transaction" refers to the establishment of a position based on the current latest market price, while "hanging orders" can set the transaction price by themselves. When the market price reaches the set price, the system will automatically close and establish a position.