中国华叶与叶氏关系:独钓寒江雪

{通达信MACD三全项+抄底，图中显示:A为底背离,A1为低位金叉,2为低位二次金叉；short(2,200,12),long(2,200,26),m(2,200,9)

}

DIFF:=(EMA(CLOSE,SHORT) - EMA(CLOSE,LONG));

DEA:=EMA(DIFF,M);

MACD2:=(2 * (DIFF - DEA));

DU0:=CROSS(DIFF,0);

UD0:=CROSS(0,DIFF);

TDU0:=BARSLAST(DU0);

TUD0:=BARSLAST(UD0);

DU3:=REF(DU0,1);

UD3:=REF(UD0,1);

TDU3:=BARSLAST(DU3);

TUD3:=BARSLAST(UD3);

UDGLINE:=IF((TDU3 < TUD3),REF(HHV(HIGH,2),TDU3),REF(LLV(LOW,2),TUD3));

JDU0:=(((REF(CLOSE,1) <= REF(UDGLINE,1)) AND (CLOSE > UDGLINE)) AND (TDU0 < TUD0));

JUD0:=(((REF(CLOSE,1) >= REF(UDGLINE,1)) AND (CLOSE < UDGLINE)) AND (TUD0 < TDU0));

JDU1:=(JDU0 AND (COUNT(JDU0,TDU0) = 1));

JUD1:=(JUD0 AND (COUNT(JUD0,TUD0) = 1));

JDU2:=(JDU1 AND (REF(BARSLAST(JUD1),1) < REF(BARSLAST(JDU1),1)));

JUD2:=(JUD1 AND (REF(BARSLAST(JUD1),1) > REF(BARSLAST(JDU1),1)));

JDU3:=(JDU1