DDX精准趋势之高A选股指标公式

买卖:=EMA((-3)*(HHV(HIGH,30)-CLOSE)/(HHV(HIGH,30)-LLV(LOW,30))+2.7,9);
高A:买卖>2.45 AND 买卖<2.5 AND 买卖<=REF(买卖,1);