XA_1:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100;
XA_2:=(EMA(XA_1,3)-50)*2;
XA_3:=(-1)*XA_2;
XA_4:=EMA(XA_2,2);
XA_5:=EMA(XA_3,2);
JS3:=XA_4-XA_5;
XA_8:=JS3>0 AND REF(JS3,3)<0 AND REF(JS3,1)>0;
XA_9:=FILTER(XA_8,5) AND JS3>=REF(JS3,1);
黄球:XA_9;