MFI选股

{MFI选股}
TYP := (HIGH + LOW + CLOSE)/3;
V1:=SUM(IF(TYP>REF(TYP,1),TYP*VOL,0),14)/SUM(IF(TYP<REF(TYP,1),TYP*VOL,0),14);
MFI:=100-(100/(1+V1));
MFMA:=MA(MFI,6);
选股:CROSS(MFI,MFMA) AND REF(MFI,1)<20 AND MFI>=20;
{思想：根据MFI指标，挑选出MFI开始上穿MFMA线，且同时上穿过20线}