选股,通达信跌太多选股指标公式

FD:=(C/REF(C,1)-1)*100>-5;
XG:COUNT(FD AND C<O ,8)=5 AND COUNT(NOT(FD),8)=0 AND CROSS(CCI.CCI,-100) AND MACD.MACD>REF(MACD.MACD,1) AND C>REF(C,1);