VAR1:=LLV(LOW,100); 
VAR2:=HHV(HIGH,250); 
操盘线: EMA((CLOSE-VAR1)/(VAR2-VAR1)*4,4);
绝底:0.3,LINETHICK1,COLORGREEN;  
绝顶:3.5,LINETHICK1,COLORGREEN;
分界:2,COLORWHITE;
DRAWTEXT(crOSS(操盘线,绝底),0.20,'买'), COLORRED, ;
DRAWTEXT(CROSS(操盘线,绝顶),3.5,'卖'), COLORYELLOW, ;