RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
A:=EXPMEMA(MAX(MAX(HIGH-LOW,Abs(HIGH-REF(CLOSE,1))),ABS(REF(CLOSE,1)-LOW)),14);
HD:=HIGH-REF(HIGH,1);
LD:=REF(LOW,1)-LOW;
DMP:=EXPMEMA(IF(HD>0&&HD>LD,HD,0),14);
PDI:=DMP*100/A;
XG:J>20 AND J<80 AND PDI>REF(PDI,1)AND PDI<20;
