DIFF:EMA(CLOSE,12)-EMA(CLOSE,27);
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA), COLORSTICK,LINETHICK2;
VARC:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0));
VAR1:=CROSS(DIFF,DEA) AND DEA<0 AND COUNT(VARC=2,21)=1;
VAR2:=REF(DIFF,BARSLAST(VAR1=1))>REF(DIFF,BARSLAST(COUNT(VARC=1,21)=1));
DRAWTEXT(VAR1 AND VAR2,DEA-0.05,' 二次金叉'),coloryellow;
以上同花顺测试通过,通达信能否用可以试试。