200 to 300 yuan. "Silver T+D is also called silver TD, T is the abbreviation of Trade, D is the abbreviation of Delay, and it can also be called silver deferred trading. Silver T+D now offers a discount of 149 yuan, and the normal premium range is between 200 and 300 yuan. You can do more TD directly in the bank, short the account paper and silver, and wait for the premium to converge and close the position. Scope, explanation is the boundary between the upper and lower regions, the scope of activities, and the sphere of influence. Superman is the owner of health armor and health airship.