VAR1:=(CLOSE-LLV(LOW,36))/(HHV(HIGH,36)-LLV(LOW,36))*100; VAR2:=SMA(VAR1,3,1); VAR3:=Sma(VAR2,3,1); VAR4:=SMA(VAR3,3,1); VAR6:=crOSS(VAR3,VAR4) AND VAR3<20; 买底:FILTER(VAR6,10)=1;