求助老师把红色线上穿起爆线做个选股

一跃千里

BIAS: (CLOSE-MA(CLOSE,13))/MA(CLOSE,13)*100;
起爆线:4.8,COLORMAGENTA;
见底信号:-10,COLORGREEN;
   IF(BIAS>=REF(BIAS,1),BIAS,DRAWNULL),COLORRED,LINETHICK2;
   IF(BIAS<=REF(BIAS,1),BIAS,DRAWNULL),COLORBLUE,LINETHICK2;

老人与海

BIAS:=(CLOSE-MA(CLOSE,13))/MA(CLOSE,13)*100;
起爆线:=4.8;
BBY:CROSS(BIAS,起爆线);