1. Precious metals can be opened for short or long orders. To put it bluntly, you can sell first and then buy. To sell, you can establish a short position. For example, if an investor opens a position to buy a certain number of gold futures contracts, the investor is said to hold a long position in gold futures; if an investor opens a short position in gold futures, the investor is said to hold a short position in gold futures. position. The difference between open long contracts and open short contracts in gold futures is called the net position.

2. Precious metal investment is divided into physical investment, leveraged electronic trading investment and bank-type paper gold and paper silver. Among them, physical investment refers to the process in which investors buy low and sell high to earn the price difference when they are optimistic about the precious metal market. It can also be a hedging method adopted when the economic prospects are not optimistic, in order to maintain and increase the value of assets. Electronic trading refers to determining whether to buy or sell based on the fluctuations in the market prices of precious metals such as gold and silver. This type of transaction generally involves leverage, which allows you to obtain larger returns at a smaller cost.