2. Choose the corresponding cycle according to the demand, such as daily line, weekly line and monthly line. Different periods can display different data. For example, the daily line can show the data fluctuation of one day, and the weekly line can show the data fluctuation of one week.

3. Select the time period to view, such as last week, last month or last year.

4. Observe the price curve in the futures chart, including K-line, volume, MA and other indicators. Through the comparative analysis of these indicators, we can understand the current trend of the futures product, predict the future price trend, and make relevant investment decisions.

5. Pay attention to the relevant news information of the futures market, as well as policy changes and other factors. These factors may also affect the price fluctuation of futures varieties, such as policy changes, natural disasters and international situation.