1, the relationship between supply and demand

The imbalance of asphalt supply and demand structure makes the relationship between supply and demand of asphalt tend to be tense. Every link from storage, production, transportation, refining to sales is very important, and the change of factors in any link will affect the fluctuation of asphalt price.

2. Geopolitics

Uncertainties such as wars, terrorist attacks, oil workers' strikes and other emergencies have seriously affected or even influenced the trend of asphalt prices.

On March 28th, 2003, the price of oil futures in new york Stock Exchange reached $39.99/barrel, up 60% from $25/barrel at the end of last year.

3. Speculative funds

Speculation and market expectation in asphalt market often increase the fluctuation of asphalt price. The influence of speculative factors in international asphalt market on asphalt price is 10%-20%.

4. Increase or decrease of asphalt inventory

During the economic recession, the decline of asphalt inventory has little supporting effect on oil prices, while the increase of asphalt inventory has a greater destructive effect on oil prices; In the stage of economic recovery and prosperity, the increase of asphalt inventory has a stabilizing effect on oil prices, but the decrease of asphalt inventory will greatly support the increase of asphalt prices.