P1:=5; P2:=4; VAR1:=LLV(LOW,P1); VAR2:=HHV(HIGH,P1); K:=EMA((CLOSE-VAR1)/(VAR2-VAR1)*100,P2); D:=EMA(0.667*REF(K,1)+0.333*K,2); XG:K<=25 AND CROSS(K,D);
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