温馨提醒，技术指标有其本身局限性，一旦不符合预期，立即清仓控制风险。指标仅供参考与学习，请勿商用或实战，否则后果和损失自行承担！
编写条件：
macd三次底背离的选股公式。
编写方法：
DIFF:=Ema(CLOSE,12) – EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
A1:=BArslAst(REF(crOSS(DIFF,DEA),1));
A2:=REF(CLOSE,A1+1)>CLOSE AND DIFF>REF(DIFF,A1+1) AND CROSS(DIFF,DEA);
三次底背离:COUNT(A2,60)=3;
其他写法：
以下是通达信MACD三次底背离的完整选股公式代码：
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2,COLORSTICK;
T:=BARSLAST(CROSS(DIF,DEA) AND DIF<0);
T1:=SUMBARS(T=0,2);
T2:=SUMBARS(T=0,3);
M:=BARSLAST(CROSS(0,MACD));
M1:=SUMBARS(M=0,2);
M2:=SUMBARS(M=0,3);
D1:=REF(DIF,BARSLAST(DIF=LLV(DIF,M+1)));
D2:=REF(D1,T1-1);
D3:=REF(D2,T1-1);
LT:=BARSLAST(L=LLV(L,M+1));
MT:=BARSLAST(DIF=LLV(DIF,M+1));
L1:=REF(L,LT);
L2:=REF(L1,T1-1);
L3:=REF(L2,T1-1);
XG:T=0 AND L1<L2 AND L2<L3 AND D1>D2 AND D2>D3;该公式通过检测连续三次MACD金叉时DIF值递增（D1>D2>D3）而股价递减（L1<L2<L3）的条件实现三次底背离识别。
核心逻辑包含：
1)记录最近三次金叉位置；
2)比较各阶段最低价和DIF值；
3)要求金叉发生在零轴下方。
使用时建议结合成交量等指标增强准确性。
网页唯一标识识别码
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指标使用通用经验总结
- 一般出现信号不急着立即介入，介入时机一般尾盘半小时判断信号是否可介入；
- 指标信号出现后第二天冲高阴线，立即清仓，等待突破上一个信号点最高价判断是是否介入；
- 指标信号出现后第二天阴线或假阳线，立即清仓，等待突破上一个信号点最高价在判断是否介入；
- 在上涨，现价处于上涨高位的『介入、看多』信号不参与；
- 不是信号一出现就介入，要根据市场环境，量价关系，市场情绪等诸多因素判断是否可介入；
- 技术指标有其本身局限性，宁可错过，也不要做错；
- 拿到指标后，多测试，多练习，看是否符合预期，总结规律；
总之一旦信号失真，不符合预期，立即清仓控制风险 ；
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