VAR1:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=3*VAR2-2*VAR3;
VAR5:=LLV(LOW,30);
VAR6:=HHV(HIGH,30);
VAR7:=EMA((CLOSE-VAR5)/(VAR6-VAR5)*4,4)*25;
DRAWTEXT(CROSS(VAR4,VAR7) AND VAR7<20 AND VAR4>REF(VAR4,1),VAR7,'买'),COLORRED;
DRAWTEXT(CROSS(VAR7,VAR4) AND VAR7>80 AND VAR4<REF(VAR4,1),VAR7,'卖'),COLORGREEN;
STICKLINE(VAR7>=80,VAR7,80,5,0),COLORGREEN;
STICKLINE(VAR7<=20,VAR7,20,5,0),COLORRED;
STICKLINE(VAR7>20 AND VAR7<80,VAR7,VAR7,5,0),COLORYELLOW;
