1. Changes in spot asphalt inventory. The supply of spot asphalt is mainly related to the policies of OPEC member countries on crude oil exploitation, which is also an important news that investors should pay attention to. As for the demand for asphalt, it mainly comes from developing countries, such as China and India. For example, when the futures price is higher than the spot price, the increase of commercial inventory will stimulate the spot price to rise (the spot asphalt price will also rise), on the contrary, it will push the spot price down.

2. The market intervention of 2.IEA is also very important now. IEA is an international energy agency dedicated to preventing oil supply fluctuation. This institution is very powerful and can change the market structure in a short time, and the impact is to change the price of spot asphalt.

3. Exchange rate change, which is also a factor that directly changes the spot asphalt price. There is a negative correlation between the price change of spot asphalt and the exchange rate change of US dollar and major international currencies, and the rise of US dollar puts pressure on spot asphalt settled in US dollar. When geopolitics is in turmoil, spot asphalt is positively correlated with the US dollar. The two can be said to complement each other.

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