波段操作出现信号，进行操底，如果出现二次信号跟进

同花顺公式 抄底L
 

昨收:=REF(CLOSE,1);

趋势:SMA(MAX(CLOSE-昨收,0),8,1)/SMA(ABS(CLOSE-昨收),8,1)*100,COLOR0080FF,LINETHICK2;

下:20;

上:80;

中:50;

DRAWTEXT(CROSS(80,趋势),80,'顶部'),colorgreen;

DRAWTEXT(CROSS(趋势,19),18,'底部'),colorred;STICKLINE((CROSS(趋势,15)),50,20,8,0),colorred;

DRAWTEXT((CROSS(趋势,15)),45,'黑'),coloryellow;DRAWTEXT((CROSS(趋势,15)),35,'马'),coloryellow;