the value(A)value in input is (previous day (high-low)/total volume in k. we compare the value of current bar with input value(A), then we desire can we hold or close position. the value in chart is based on 100%. if value is more there is price moving, if value is less there is volume moving. If the price moving continuously that means high value, the trend starts, if value is low that means volume is high, trend continuously moves.
Before analyse confirm the current trend.