VAR1:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
VAR2:=SMA(SMA(VAR1,3,1),3,1);
VAR3:=EMA(VAR2,5);
VAR4:=REF(VAR3,1);
STICKLINE(VAR3>VAR4,VAR3,VAR4,8,0),COLORRED;
STICKLINE(VAR3<VAR4,VAR3,VAR4,8,0),COLORGREEN;
DRAWTEXT(CROSS(VAR3,VAR4) AND VAR3<20,VAR3,'买'),COLORYELLOW;
DRAWTEXT(CROSS(VAR4,VAR3) AND VAR3>80,VAR3,'卖'),COLORWHITE;
VAR3;
VAR4;
