VAR3:=LLV(LOW,33);
VAR4:=HHV(HIGH,21);
VAR5:=EMA((CLOSE-VAR3)/(VAR4-VAR3)*100,20)*0.998;
当前安全度:100-(EMA(0.667*REF(VAR5,1)+0.333*VAR5,1)),CIRCLEDOT;
安全线:80;
中性线:50;
危险线:20;