趋势快买之买入选股指标公式

maV:=(2*C+H+L)/4;
VAR1:=LLV(LOW,34);
VAR2:=HHV(HIGH,34);
SK:= EMA((MAV-VAR1)/(VAR2-VAR1)*100,13);
SD:= EMA(0.667*REF(SK,1)+0.333*SK,2);
买入:crOSS(SD,20);