小护士防空洞之做底选股指标公式

VAR18:=HHV(HIGH,30);
VAR19:=LLV(LOW,30);
NL:=EMA((CLOSE-VAR19)/(VAR18-VAR19)*100,5)/8*10;
VAR41:=5;
做底:crOSS(VAR41,NL);