DDX精准趋势之低②选股指标公式

买卖:=EMA((-3)*(HHV(HIGH,30)-CLOSE)/(HHV(HIGH,30)-LLV(LOW,30))+2.7,9);
低②:买卖<0.1 AND 买卖>0 AND 买卖>=REF(买卖,1);