Var 4:= Ma ((CLOSE-LLV (low, 10))/(HHV (high, 10)-LLV (low,10)) *100,3);

Band method: = CLOSE & gtz and REF(VAR4,1) < 30 and VAR4 & gtREF(VAR4, 1) and

REF(VAR4， 1)& lt； REF(VAR4，2)；

XG: band method;

The stocks entering the market in the selected band have nothing to do with VAR3.