{通达信实用指标公式}
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)*100,5);
VAR8:=EMA(0.667*REF(VAR7,1)+0.333*VAR7,10);
DRAWTEXT(CROSS(VAR7,VAR8) AND VAR7<20,LOW*0.98,'买'),COLORRED;
DRAWTEXT(CROSS(VAR8,VAR7) AND VAR7>80,HIGH*1.02,'卖'),COLORGREEN;
STICKLINE(VAR7>=VAR8,VAR7,VAR8,2,0),COLORRED;
STICKLINE(VAR7<VAR8,VAR7,VAR8,2,0),COLORGREEN;
DRAWICON(CROSS(VAR7,VAR8) AND VAR7<20,LOW*0.95,1);
DRAWICON(CROSS(VAR8,VAR7) AND VAR7>80,HIGH*1.05,2);
