Crude oil is commonly known as industrial gold. Nowadays, it is developing rapidly in the financial market. Crude oil is not only used for industrial purposes, but has become the target of a financial derivative product. Crude oil transactions only use margin as risk protection. Ups and downs, no ups and downs restrictions, low risk, flexible settlement methods, suitable for cash out. For investors, investment is stronger than other types of transactions, and returns are also high. The most widely traded on the market are US crude oil (West Texas Intermediate Oil) and Brent crude oil.