--
DIFF:EMA(CLOSE,12) - EMA(CLOSE,26),noaxis;
DEA:EMA(DIFF,9),COLORYELLOW,noaxis;
MACD:2*(DIFF-DEA), COLORSTICK,noaxis;
A4:BARSLAST(REF(CROSS(DIFF,DEA),1));
B1:=REF(H,A4+3)>REF(C,3) AND REF(DIFF,A4+3)<REF(DIFF,3) AND CROSS(DIFF,DEA);
DRAWTEXT(FILTER(B1>0,5),DIFF,\'←底背离\'),COLORYELLOW;
DRAWICON(FILTER(B1>0,5),DIFF-0.2,1),noaxis;