Precious metals are the most traded products in the world. Mainly because precious metals have two properties, one is metal property and the other is currency property. The combination of the two attributes is the most active variety with the largest transaction volume.
The trading volume of crude oil is also relatively active, mainly because China is a big importer and user of crude oil, and crude oil is a necessity of life. Therefore, the operating heat is not reduced. In addition, the crude oil fluctuates greatly, the profit is objective, and there are many people operating it.