牛牛之买入选股指标公式

趋势线:=((3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1)-50)*1.032+50);
买入:IF(crOSS(趋势线,21),50,18.5);