H1:= HHV(CLOSE,60);
L1:= LLV(CLOSE,60);
A1:= HIGH>REF(H1,1);
A2:= LOW<REF(L1,1);
A3:= MA(VOL,60);
AA:= A1=1 AND VOL>A3;
VV:= A2=1 AND VOL>A3;
DRAWTEXT(AA=1,LOW,'A',-10),ALIGN1,COLORYELLOW,FONTSIZE15;
DRAWTEXT(VV=1,HIGH,'V',+10),ALIGN1,COLORGREEN,FONTSIZE15;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K :=SMA(RSV,3,1);
DRAWTEXT(AA=1 AND K>80,LOW,'-',-9),ALIGN1,COLORRED,FONTSIZE19;
DRAWTEXT(VV=1 AND K<20,HIGH,'-',+12),ALIGN1,COLORRED,FONTSIZE19;
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