一线定盈亏副图源码：
BIAS1:=MA((CLOSE-MA(CLOSE,13))/MA(CLOSE,13),3)*100,colorwhite;
BIAS3:=MA((CLOSE-MA(CLOSE,27))/MA(CLOSE,27),3)*100,COLORFF00FF,LINETHICK2;
操作区:IF(BIAS3<0,BIAS3,0),COLOR00EE00,LINETHICK2;
观望区:IF(BIAS3>0,BIAS3,0),COLORFF00FF,LINETHICK2;
见底:IF(BIAS3<-15,10,0),LINETHICK2,coloryellow;
抄底:IF(COUNT(BIAS3<0,8)>=8 AND COUNT(BIAS3>0,34)>13 AND COUNT(BIAS3<0,55)>30,15,0),LINETHICK3;
