Adhesion line (C & gt=O, 0, v, 8, 0), COLOR0033EE{ closing price is greater than or equal to opening price, red solid line).
Adhesion line (C<o, 0, v, 8, 1), coloreee00 {closing price is less than opening price, green and hollow}
If you want to adjust the column width, change the size of 8-try it yourself.
The above shows that the relationship between closing price and opening price determines whether the volume chart is solid or hollow.