Yes, many technical schools just look at the K-line chart to make plans. Many technical indicators are based on the K-line chart, and the entrance and exit are made according to the technical indicators.

There are also some forms, such as engulfing. Looking at the 60-minute K-line chart of rubber futures is a good bearish signal.

Of course, some fundamental analysis is mainly based on supply and demand, but the entry point is also judged by looking at the K-line chart.