In the futures market, traders can participate in the trading of futures contracts only by paying a small amount of funds according to a certain proportion of the price of futures contracts as financial guarantee for the performance of futures contracts. This kind of money is futures margin, which is often referred to as leveraged trading. This is a small investment, and opportunities and risks increase at the same time.

LME Nickel, also known as "London Nickel", is named after being listed and traded on the London Metal Exchange (LME). It belongs to international futures trading varieties and follows the trading rules of London Metal Exchange.

Nickel index refers to the nickel futures index traded on the London Metal Exchange, and LME nickel now refers to the spot nickel in London.

London Metal Exchange (LME) is the largest non-ferrous metal exchange in the world. The price and inventory of LME have an important influence on the global production and sales of non-ferrous metals.