MAVOL1:=MA(VOL,5);
MAVOL2:=MA(VOL,35);
MAVOL3:=MA(VOL,135);
MB:=CROSS(EXPMA(CLOSE,7),EXPMA(CLOSE,21));
SC3:=BARSLAST(MB);
SJ:=VOL>MAVOL3 OR CROSS(MAVOL1,MAVOL2);
SC2:=BARSLAST(SJ);
XG: (MB AND SC2<4) OR (SJ AND SC3<4);