Buying and selling positions means that when you need to buy, someone will sell first before you can open a position.
If you want to make more pending orders, you can make pending orders by booking the price, click Add Order on the trading software, then choose the transaction type to make an appointment, choose to make an appointment to buy or sell, enter the price you want to make an appointment, and click OK.
However, it is impossible to close the transaction until the price is reached, because silver td, like futures, can only be closed if both are reached, but generally it can be closed as long as the price is reached, because the transaction volume of TD is relatively large.