When investing, you must choose the right platform to make a profit. About how much money depends on the specific platform regulations, and each platform has different weights for customers to choose, such as tianjin precious metal exchange:

The margin is 5%-8%, and the transaction weight is 1 kg, 15 kg and 30 kg. All in one hand. Where 15 kg is called standard hand.

Therefore, the first-hand deposit is 15* current price * deposit, and the deposit used is obtained.

The minimum is the minimum unit weight, but generally opening an account will allow customers to put more margin to control risks.