Crude oil trend chart generally looks at the trend changes of crude oil futures analysis combined with line chart and K-line chart.

The trend chart is divided into line chart and K-line chart, in which the line chart reflects the price change through the changing curve. For example, the American crude oil line chart on June 2.

K-line chart, originated from Japan's "candle chart", shows the price change process in a certain period through histogram images, which are generally daily chart, weekly chart and monthly chart. The K-line diagram is as follows: