EF:=MAX(HHV(C,3)-LLV(C,3),ABS(C-REF(C,3)))/SUM(ABS(C-REF(C,1)),3); EFMA:=EMA(EF,3); MER:=INTPART(3-(EFMA-0.5)*3); LY:=SUM((C-REF(C,1)),MER); LYSX:=EMA(LY,3); XG:CROSS(LYSX,0)&&O>C;
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