通达信四线抓牛主图指标(趋势型)指标公式

核心逻辑

这是一个基于多重指数移动平均线(EMA)构建的通道趋势指标。它通过计算不同周期EMA的组合,创建了一个由"上轨AAA"和"下轨CCC"组成的动态价格通道。AAA代表短期均价趋势,CCC代表中期均价趋势,轴线作为多空平衡参考。指标还引入了MACD的差值线(DDIF)来辅助判断趋势强度。

买卖信号

- **买入条件**:MA5上穿CCC且DDIF>0且DDIF向上(MACD多头状态),显示三个"〇"买入标记 - **卖出条件**:MA5下穿CCC且DDIF<0且DDIF向下(MACD空头状态) - **多空判断**:AAA在轴线上方且向上为多头(红色粗线),AAA在轴线下方且向下为空头(蓝色细线)

用法

1. 观察AAA与CCC的相对位置,多头排列(AAA>CCC)在通道上方运行时看多 2. 关注AAA与轴线的关系,AAA在轴线上方运行表示多头趋势 3. 当MA5上穿CCC且MACD保持多头时,是较强的买入信号 4. 撑压A和撑压B标记的黄色和青色点分别表示短期压力位和支撑位

公式源码

MA5:MA(CLOSE,5);
A:=EMA((EMA(CLOSE,19)+EMA(CLOSE,20)+EMA(CLOSE,21))/3,3),COLORYELLOW;
轴线:EMA(A,3)COLORWHITE;
AA:=EMA((EMA(C,1)+EMA(C,3)+EMA(C,5))/3,3),COLORWHITE;
AAA:EMA(EMA(EMA(AA,1),2),3);
BB:=EMA((EMA(C,19)+EMA(C,20)+EMA(C,21))/3,3);
CC:=BB-(AA-BB);
CCC:EMA(EMA(EMA(CC,1),2),3);
开口值1:=HHV(AA,1)/LLV(CC,1)*100-100,NODRAW;
起:EMA(开口值1,5),NODRAW;
DRAWBAND(MA5,RGB(200,10,20),AAA,RGB(100,100,200));
MA5M:MA(CLOSE,5);
IF( AAA<轴线 AND AAA>REF(AAA,1),AAA,DRAWNULL),COLORMAGENTA,LINETHICK3;
IF(  AAA>轴线 AND AAA>REF(AAA,1),AAA,DRAWNULL),COLORRED,LINETHICK4;
IF(  AAA>轴线 AND AAA<REF(AAA,1),AAA,DRAWNULL),COLORYELLOW,LINETHICK2;
IF(  AAA<轴线 AND AAA<REF(AAA,1),AAA,DRAWNULL),COLORLIBLUE,LINETHICK2;
IF(  CCC<轴线 AND CCC>REF(CCC,1),CCC,DRAWNULL),COLORLIBLUE,LINETHICK2;
IF(  CCC>轴线 AND CCC>REF(CCC,1),CCC,DRAWNULL),COLORYELLOW,LINETHICK2;
IF(  CCC>轴线 AND CCC<REF(CCC,1),CCC,DRAWNULL),COLORRED,LINETHICK2;
IF(  CCC<轴线 AND CCC<REF(CCC,1),CCC,DRAWNULL),COLORMAGENTA,LINETHICK2;
撑压A:IF(crOSS(AAA,CCC),H,REF(H,BARSLAST(CROSS(AAA,CCC)))),POINTDOT,COLORYELLOW,LINETHICK2;
撑压B:IF(CROSS(CCC,AAA),H,REF(H,BARSLAST(CROSS(CCC,AAA)))),POINTDOT,COLORCYAN,LINETHICK2;
DDIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DRAWTEXT(CROSS(MA5,CCC) AND DDIF>0 AND DDIF>REF(DDIF,1),CCC-0.2,'〇'),COLORRED;
DRAWTEXT(CROSS(MA5,CCC) AND DDIF>0 AND DDIF>REF(DDIF,1),CCC-0.4,'〇'),COLORYELLOW;
DRAWTEXT(CROSS(MA5,CCC) AND DDIF>0 AND DDIF>REF(DDIF,1),CCC-0.6,'〇'),COLORLIBLUE;
DRAWKLINE(HIGH,OPEN,LOW,CLOSE);