Market chart is also called time-sharing chart. The principle is that each quotation points to a point on the graph and connects all points into a curve, which is the time-sharing graph.

The application of time-sharing line is particularly important, it can reflect the changes of interval and trend concisely, and let retail investors clearly get the information about the changes of handicap price and trend.

The yellow line represents the key price point of the day, which can be regarded as the support point, pressure point or key point of the trend in operation, and the white line is the timely trajectory of the price movement, which can reflect the change of the trend of the day.