M2:=21;
M3:=30;
SHORT:=12;
LONG:=26;
MID:=9;
N:=9;
M4:=3;
M5:=3;
EXP7:=EXPMA(CLOSE,M1);
EXP21:=EXPMA(CLOSE,M2);
MA30:=MA(CLOSE,M3);
MAVOL5:=MA(VOL,5);
MAVOL60:=MA(VOL,60);
DIF:=EMA(CLOSE,SHORT)-EMA(CLOSE,LONG);
DEA:=EMA(DIF,MID);
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M4,1);
D:=SMA(K,M5,1);
J:=3*K-2*D;
A1:=CROSS(EXP7,MA30) AND CROSS(EXP21,MA30) AND ABS(EXP7-EXP21)<C*0.05;
A2:=CROSS(MAVOL5,MAVOL60) OR MAVOL5>MAVOL60;
A3:=DIF>DEA;
A4:=J>REF(J,1) AND REF(J,1)<REF(J,2);
XG:A1 AND (A2 OR A3 OR A4);
