TRA0:=MAX(MAX((CALLSTOCK(STKLABEL,VThigh,18,0)-CALLSTOCK(STKLABEL,VTlow,18,0)),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,0),1)-CALLSTOCK(STKLABEL,VThigh,18,0))),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,0),1)-CALLSTOCK(STKLABEL,VTlow,18,0)));
TRA1:=MAX(MAX((CALLSTOCK(STKLABEL,VThigh,18,-1)-CALLSTOCK(STKLABEL,VTlow,18,-1)),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,-1),1)-CALLSTOCK(STKLABEL,VThigh,18,-1))),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,-1),1)-CALLSTOCK(STKLABEL,VTlow,18,-1)));
TRA2:=MAX(MAX((CALLSTOCK(STKLABEL,VThigh,18,-2)-CALLSTOCK(STKLABEL,VTlow,18,-2)),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,-2),1)-CALLSTOCK(STKLABEL,VThigh,18,-2))),ABS(REF(CALLSTOCK(STKLABEL,VTclose,18,-2),1)-CALLSTOCK(STKLABEL,VTlow,18,-2)));
ATRS:=(TRA0+TRA1+TRA2)/3;