A1:=(2*CLOSE+HIGH+LOW)/4;
A2:=LLV(LOW,27);
A3:=HHV(HIGH,27);
A4:=EMA((A1-A2)/(A3-A2)*100,13);
A5:=EMA(0.618*REF(A4,1)+0.382*A4,3);
红箭头:crOSS(A4,A5) AND A4<16;
A1:=(2*CLOSE+HIGH+LOW)/4;
A2:=LLV(LOW,27);
A3:=HHV(HIGH,27);
A4:=EMA((A1-A2)/(A3-A2)*100,13);
A5:=EMA(0.618*REF(A4,1)+0.382*A4,3);
红箭头:crOSS(A4,A5) AND A4<16;