VAR1:=(2*CLOSE+HIGH+LOW)/4;VAR2:=LLV(LOW,34);VAR3:=HHV(HIGH,34);近:=EMA((VAR1-VAR2)/(VAR3-VAR2)*100,13);远:=EMA(0.667*REF(近,1)+0.333*近,2);XG:CROSS(近,远) AND 近<20 ;