VR1:=(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34))*100; VR2:=SMA(VR1,3,1); VR3:=SMA(VR2,3,1); VR4:=SMA(VR3,3,1); VR5:=crOSS(VR3,VR4) AND VR3<20; 底:FILTER(VR5,10)=1;