China Agricultural Bank precious metals trading rules

The precious metal business of ABC account does not support two-way positions. When the number of precious metal varieties held by customers in an account is zero, they can choose to buy or sell. A positive number of shares means that the customer holds a positive position, and a negative number means that the position is negative. The amount of precious metals held in an account can only be one of "positive position" and "negative position". When a customer holds a "positive position" of precious metals in a variety account, it is impossible to sell and open the variety "; On the other hand, when the customer holds a "negative position" in the precious metal account of the variety, it is impossible to buy and open the variety.