核心逻辑
这是一个基于"火车轨"理论的波段趋势指标,主要用于识别中长期的趋势转折点和关键支撑压力位。 **计算原理:** 1. 首先通过N=7天的参数,寻找最近15天内的波峰(最高点)和波谷(最低点) 2. 计算最近14天的最高价和最低价的平均值作为中轴线 3. 当波峰条件满足且中轴线不低于平均价时,确认为有效波峰;反之为有效波谷 4. 通过复杂的BACKSET和BARSLAST函数,追踪每个波峰和波谷的位置 5. 绘制连接波峰的红色线和连接波谷的绿色线,形成类似"火车轨"的通道 6. 在轨道上标注黄金分割位(19.1%、38.2%、50%、61.8%、80.9%)作为回调支撑位 7. 另外附加了EMA均线系统和"火车轨"特殊形态检测
买卖信号
1. **火车轨买入信号**:前一天跌幅大于9.5%且收盘价等于最低价,今日涨幅大于9.5%且收盘价等于最高价,同时EMA均线多头排列(A<B且上升) 2. **双穿买入信号**:股价连续2次上穿3日EMA均线,且均线持续向上运行 3. **卖点**:红色轨道线(波峰连接线)破位或趋势反转
用法
1. **看趋势方向**:红色线向上表示上升趋势,绿色线向下表示下降趋势 2. **找支撑位**:关注黄金分割位(特别是50%和61.8%),这些位置可能提供买入机会 3. **火车轨信号**:出现"火车轨"文字提示时,是较强的买入信号,表示经过大跌后反转为大涨 4. **双穿信号**:出现"双穿"文字提示时,是均线金叉的强化信号,可考虑买入 5. **结合其他指标**:建议配合成交量和其他趋势指标综合判断
公式源码
N:=7; A1:=REF(H,N)=HHV(H,2*N+1); B1:=FILTER(A1,N); C1:=BACKSET(B1,N+1); D1:=FILTER(C1,N); A2:=REF(L,N)=LLV(L,2*N+1); B2:=FILTER(A2,N); C2:=BACKSET(B2,N+1); D2:=FILTER(C2,N); E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2; E2:=(H+L)/2; H1:=(D1 AND NOT(D2 AND E1>=E2)) OR ISLASTBAR OR BARSCOUNT(C)=1; L1:=(D2 AND NOT(D1 AND E1<E2)); H2:=D1 AND NOT(D2 AND E1>=E2); X1:=REF(BARSLAST(H1),1)+1; F1:=BACKSET(H1 AND COUNT(L1,X1)>0,LLVBARS(IF(L1,L,10000),X1)); G1:=F1>REF(F1,1); I1:=BACKSET(G1,2); LD:=I1>REF(I1,1); L2:=LD OR ISLASTBAR OR BARSCOUNT(C)=1; X2:=REF(BARSLAST(L2),1)+1; F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,H,0),X2)); G2:=F2>REF(F2,1); I2:=BACKSET(G2,2); HD:=I2>REF(I2,1); R1:=BACKSET(ISLASTBAR,BARSLAST(HD)+1); S1:=R1>REF(R1,1); T1:=BACKSET(ISLASTBAR,BARSLAST(LD)+1); U1:=T1>REF(T1,1); R2:=BACKSET(S1,REF(BARSLAST(HD),1)+2); S2:=R2>REF(R2,1); T2:=BACKSET(U1,REF(BARSLAST(LD),1)+2); U2:=T2>REF(T2,1); NOTEXT1:=DRAWLINE(S2,H,S1,H,1),LINETHICK2,COLORRED; NOTEXT2:=DRAWLINE(U2,L,U1,L,1),LINETHICK2,COLORGREEN; NOTEXT3:=REF(H,BARSLAST(S2)),COLORRED; NOTEXT4:=REF(H,BARSLAST(S1)),COLORLIRED; NOTEXT5:=REF(L,BARSLAST(U2)),COLORGREEN; NOTEXT6:=REF(L,BARSLAST(U1)),COLORGREEN; 高:IF(NOTEXT3>NOTEXT4,NOTEXT3,NOTEXT4),COLORRED; 低:NOTEXT6,COLORRED; TS1:=CONST(BARSLAST(S2)),NODRAW,COLORWHITE; TS2:=CONST(BARSLAST(S1)),NODRAW,COLORWHITE; AH1:=IF(CURRBARSCOUNT<=TS1,高-(高-低)*0.191,DRAWNULL),COLORRED,DOTLINE; AH2:IF(CURRBARSCOUNT<=TS2,高-(高-低)*0.382,DRAWNULL),COLORRED,DOTLINE; AH3:=IF(CURRBARSCOUNT<=TS1,高-(高-低)*0.5,DRAWNULL),COLORRED,DOTLINE; AH4:IF(CURRBARSCOUNT<=TS1,高-(高-低)*0.618,DRAWNULL),COLORRED,DOTLINE; AH5:=IF(CURRBARSCOUNT<=TS1,高-(高-低)*0.809,DRAWNULL),COLORRED,DOTLINE; 高J:IF(CURRBARSCOUNT<=30,REFDATE(HHV(H,30),DATE),DRAWNULL),COLORWHITE,DOTLINE; 低J:IF(CURRBARSCOUNT<=30,REFDATE(LLV(L,30),DATE),DRAWNULL),COLORWHITE,DOTLINE; H2J:IF(CURRBARSCOUNT<=30,高J-(高J-低J)*0.382,DRAWNULL),COLORWHITE,DOTLINE; H4J:IF(CURRBARSCOUNT<=30,高J-(高J-低J)*0.618,DRAWNULL),COLORWHITE,DOTLINE; ZF:=(C/REF(C,1)-1)*100; A:=EMA(C,8.3896)-EMA(C,17.5185); B:=EMA(A,9.0503); 火车轨:=REF(ZF<-9.5 AND C=L,1) AND ZF>9.5 AND C=H AND A<B; DRAWTEXT(火车轨,L*0.98,'火车轨'); D3X3:REF(EMA(C,3),3),DOTLINE,COLORLIGRAY; 双穿:=crOSS(C,D3X3) AND COUNT(CROSS(C,D3X3),6)=2 AND D3X3>=REF(D3X3,1) AND A>REF(A,1) AND B>REF(B,1); DRAWTEXT(双穿,L*0.98,'双穿');