The use of time-sharing DDX (main strength)

The ratio of the main net buying volume to the circulating market every minute on the day.
usage
1. If the red and green column lines are red, it means that the buying volume of large orders is larger at this time. On the contrary, if the red and green column lines are green, it means that there are more selling orders of large orders at this time.
2. DDX has great reference value, but it must be carefully tracked and identified. The higher the DDX value, the better.