VAR1:=HHV(HIGH,18); VAR2:=LLV(LOW,18); DIF:EMA((CLOSE-VAR2)/(VAR1-VAR2)*100,18),COLORGREEN; P1:=EMA((CLOSE-VAR2)/(VAR1-VAR2)*100,5); DEA:P1,COLORRED,LINETHICK2; 买入:CROSS(DEA,DIF) AND DIF<22,COLORYELLOW,LINETHICK0; DRAWTEXT(CROSS(DEA,DIF) AND 买入,20,'买入'),COLORRED;