你知道打板公式指标吗？能否分享下经验呢？

去除ST:=IF(NAMELIKE('ST'),0,1) AND IF(NAMELIKE('*ST'),0,1) ANDIF(NAMELIKE('S'),0,1);涨停:=C/REF(C,1)>1.09465 AND C=H;跌停:=C/REF(C,1)<=0.91 AND C=L;N日涨停:IF(去除ST,COUNT(涨停,N),0);N日跌停:IF(去除ST,COUNT(跌停,N),0);DRAWNUMBER(CROSS(N日涨停=REF(N日涨停,1),0.5),N日涨停,N日涨停);DRAWNUMBER(CROSS(N日跌停=REF(N日跌停,1),0.5),N日跌