买卖信号

1. **卖出信号（DI）**：当N7条件成立时输出DI=1，表示连续7天下跌（从高点回落） - N7:=T=7 AND REF(N6,1) AND A（连续7天收盘价低于4日前） 2. **买入信号（GAO）**：当N77条件成立时输出GAO=1，表示连续7天上涨（从低点回升） - N77:=T1=7 AND REF(N66,1) AND B（连续7天收盘价高于4日前） （注：该公式没有使用DRAWTEXT、DRAWICON等函数进行文字或图标标注，仅有数值输出）

用法

1. **适用场景**：用于识别波段高低点，判断趋势反转 - 当DI从0变为1时，可能表示短期高点形成，考虑卖出 - 当GAO从0变为1时，可能表示短期低点形成，考虑买入 2. **原理**： - 比较当前收盘价与4日前收盘价（4日周期） - 连续7日下跌创新高后回落（DI信号） - 连续7日上涨创新低后回升（GAO信号） 3. **注意事项**： - 该指标侧重于中短期波段交易 - 无未来函数，但信号可能存在滞后 - 建议结合其他指标或均线系统验证 - 红色粗线(DI)为卖出信号，GAO为买入信号

公式源码

A1:=C>=REF(C,4);
A:=C<REF(C,4);
AA:=C<REF(C,4) AND REF(A1,1);
T:=BARSLAST(AA)NODRAW;
M:=(T=0 AND REFX(T=1 AND NOT(A),1)) OR (REFX(T=2 AND NOT(A),2)) OR (REFX(T=3 AND NOT(A),3)) OR (REFX(T=4 AND NOT(A),4)) OR (REFX(T=5 AND NOT(A),5)) 
OR (REFX(T=6 AND NOT(A),6)) OR (REFX(T=7 AND NOT(A),7)) OR (REFX(T=8 AND NOT(A),8));
M1:=T=1 AND REFX(T=2 AND NOT(A),1) OR (REFX(T=3 AND NOT(A),2)) OR (REFX(T=4 AND NOT(A),3)) OR (REFX(T=5 AND NOT(A),4)) OR (REFX(T=6 AND NOT(A),5))
OR (REFX(T=7 AND NOT(A),6)) OR (REFX(T=8 AND NOT(A),7));
M2:=T=2 AND REFX(T=3 AND NOT(A),1) OR (REFX(T=4 AND NOT(A),2)) OR (REFX(T=5 AND NOT(A),3)) OR (REFX(T=6 AND NOT(A),4)) OR (REFX(T=7 AND NOT(A),5)) OR (REFX(T=8 AND NOT(A),6));
M3:=T=3 AND REFX(T=4 AND NOT(A),1)OR (REFX(T=5 AND NOT(A),2)) OR (REFX(T=6 AND NOT(A),3)) OR (REFX(T=7 AND NOT(A),4))  OR (REFX(T=8 AND NOT(A),5));
M4:=T=4 AND REFX(T=5 AND NOT(A),1) OR (REFX(T=6 AND NOT(A),2)) OR (REFX(T=7 AND NOT(A),3)) OR (REFX(T=8 AND NOT(A),4));
M5:=T=5 AND  REFX(T=6 AND NOT(A),1) OR (REFX(T=7 AND NOT(A),2)) OR (REFX(T=8 AND NOT(A),3));
M6:=T=6  AND  REFX(T=7 AND NOT(A),1) OR (REFX(T=8 AND NOT(A),2));
M7:=T=7  AND  REFX(T=8 AND NOT(A),1);
N:=T=1 AND REF(T=0 AND AA,1) AND A;
N1:=T=2 AND REF(N,1) AND A;
N2:=T=3 AND REF(N1,1) AND A;
N3:=T=4 AND REF(N2,1) AND A;
N4:=T=5 AND REF(N3,1) AND A;
N5:=T=6 AND REF(N4,1) AND A;
N6:=T=7 AND REF(N5,1) AND A;
N7:=T=8 AND REF(N6,1) AND A;
DI:IF(N7,1,0),LINETHICK3,COLORRED;
B1:=C<=REF(C,4);
B:=C>REF(C,4);
BB:=C>REF(C,4) AND REF(B1,1);
T1:=BARSLAST(BB)NODRAW;
M111:=(T1=0 AND REFX(T1=1 AND NOT(B),1)) OR (REFX(T1=2 AND NOT(B),2)) OR (REFX(T1=3 AND NOT(B),3)) OR (REFX(T1=4 AND NOT(B),4)) OR (REFX(T1=5 AND NOT(B),5)) 
OR (REFX(T1=6 AND NOT(B),6)) OR (REFX(T1=7 AND NOT(B),7)) OR (REFX(T1=8 AND NOT(B),8));
M11:=T1=1 AND REFX(T1=2 AND NOT(B),1) OR (REFX(T1=3 AND NOT(B),2)) OR (REFX(T1=4 AND NOT(B),3)) OR (REFX(T1=5 AND NOT(B),4)) OR (REFX(T1=6 AND NOT(B),5))
OR (REFX(T1=7 AND NOT(B),6)) OR (REFX(T1=8 AND NOT(B),7));
M22:=T1=2 AND REFX(T1=3 AND NOT(B),1) OR (REFX(T1=4 AND NOT(B),2)) OR (REFX(T1=5 AND NOT(B),3)) OR (REFX(T1=6 AND NOT(B),4)) OR (REFX(T1=7 AND NOT(B),5)) OR (REFX(T1=8 AND NOT(B),6));
M33:=T1=3 AND REFX(T1=4 AND NOT(B),1)OR (REFX(T1=5 AND NOT(B),2)) OR (REFX(T1=6 AND NOT(B),3)) OR (REFX(T1=7 AND NOT(B),4))  OR (REFX(T1=8 AND NOT(B),5));
M44:=T1=4 AND REFX(T1=5 AND NOT(B),1) OR (REFX(T1=6 AND NOT(B),2)) OR (REFX(T1=7 AND NOT(B),7)) OR (REFX(T1=8 AND NOT(B),4));
M55:=T1=5 AND  REFX(T1=6 AND NOT(B),1) OR (REFX(T1=7 AND NOT(B),2)) OR (REFX(T1=8 AND NOT(B),3));
M66:=T1=6  AND  REFX(T1=7 AND NOT(B),1) OR (REFX(T1=8 AND NOT(B),2));
M77:=T1=7  AND  REFX(T1=8 AND NOT(B),1);
N111:=T1=1 AND REF(T1=0 AND BB,1) AND B;
N11:=T1=2 AND REF(N111,1) AND B;
N22:=T1=3 AND REF(N11,1) AND B;
N33:=T1=4 AND REF(N22,1) AND B;
N44:=T1=5 AND REF(N33,1) AND B;
N55:=T1=6 AND REF(N44,1) AND B;
N66:=T1=7 AND REF(N55,1) AND B;
N77:=T1=8 AND REF(N66,1) AND B;
GAO:IF(N77,1,0);