holding a position refers to holding a certain subject matter and the part of the subject matter that investors can sell, such as holding stocks, which means holding stocks, such as holding funds, which means holding funds. A few percent of the position refers to the proportion of the subject matter position to the total assets. For example, if the total assets are 1 million and 2, shares are bought, then the stock position is 2%. Generally, the position should be controlled in the case of bad market. A snapshot is a blockchain that records all the transactions and holders of the digital currency.

before the expiration of physical delivery or cash delivery, investors can voluntarily decide to buy or sell futures contracts according to market conditions and personal wishes.