通达信做短线的超好指标，谁用谁知道

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;