Then we need to find practical indicators among many technical indicators. Usually boll, ma and macd lines are the main lines. Judging the resistance level, support point and pressure level of crude oil trend through the influence of index line, so as to find the best opening point.

Second, watch the news and pay attention to the crude oil market.

1, oil consumption demand

The global economy began to recover in 2002, but it showed a rapid growth momentum in 2003. In the third quarter of that year, the GDP growth rate of the United States was as high as 7.4%. Although China's economy was hit by SARS, its GDP in 2003 increased by 9.3% compared with the previous year.

Petroleum inventory includes general commercial inventory and national strategic reserve. The main purpose of commercial inventory is to ensure that enterprises can operate efficiently in the case of seasonal fluctuation of oil demand, and at the same time prevent potential shortage of crude oil supply; The main purpose of the national strategic reserve is to deal with the oil crisis. Oil inventory can reflect the situation of oil supply and demand to a certain extent. The decrease in inventory indicates that oil demand is strong and supply is tight, and vice versa.