{Plot as histogram and change color for each individual statements}
prd:=Input("Periods",1,1000,21);
Range:= prd;
P2:= C;
V2:= V;
P1:= Ref( C, -Range );
V1:= Ref( V, -Range );
If( P2 > P1 AND V2 > V1,V,0); If( P2 > P1 AND V2 < V1,V,0); If( P2 < P1 AND V2 < V1,V,0); If( P2 < P1 AND V2 > V1,V,0);
