With the listing of domestic crude oil futures, many investors are also eager to invest in crude oil. In fact, the risk of crude oil is greater than many commodities, because the price of crude oil fluctuates greatly, and the essential reasons are easily affected by many factors. So, what are the main factors that affect the rise and fall of crude oil? What is the relationship between the rise and fall of crude oil prices? 1. world economy: there is no doubt that crude oil, as the blood of the economy, its price fluctuates with the fluctuation of the economy, which is the most important factor affecting the price of crude oil. When the world economy declines, the price of crude oil will become lower; Otherwise it will go up. In crude oil investment, investors should always grasp the general direction of the world economy. 2. Risk events: In most cases, once political and war risk events break out, crude oil prices tend to rise sharply. Especially when the risk of war in the Middle East intensifies, the price of crude oil rises even faster. 3. Production reduction: In order to maintain higher oil prices and earn more profits, the Organization of Petroleum Exporting Countries will require other major oil-producing countries to cut production regularly to maintain high oil prices. Investors should pay more attention to the time and intensity of the crude oil production reduction agreement. The above are the main factors that affect the price of crude oil. Investors should pay attention to the fact that the fluctuation of domestic crude oil futures is greater than other varieties of futures as a whole, so everyone should pay attention to controlling the risk of holding positions.