open a granary to provide relief
Opening a position, also known as building a position, refers to the operation of a trader buying (opening long) or selling (opening short) a certain amount of digital asset contracts.
Closing position
Closing refers to the operation of a trader who already holds a contract position to buy or sell a certain amount of digital asset contracts that are short or long. Only after closing the position, the gains/losses of the contract position will be finally settled.