买卖信号
**买入信号(红色图标):** 1. 条件1:J>REF(J,1) AND J<REF(J,3) AND J<K AND VAR4>REF(VAR4,1) AND K>=REF(K,1) AND J<40 2. 条件2:CROSS(J,K) AND CROSS(J,D) AND J<40 3. 条件3:J>REF(J,1) AND J<-20 **卖出信号(青色图标):** - J<=REF(J,1) AND J>80
用法
1. **适用场景**:该指标为KDJ类指标,适用于短线买卖交易 2. **买入条件**:当J线在40以下出现金叉(同时上穿K线和D线),或J线从负值反转向上时,形成买入信号 3. **卖出条件**:当J线从高位回落并下穿80时,形成卖出信号 4. **注意事项**: - 买入信号要求J<K且VAR4处于上升趋势 - 该指标对短期波动敏感,适合震荡行情 - 建议结合其他指标或均线系统确认信号 - J线超过80为超买区域,低于-20为超卖区域 - 图标信号通过FILTER函数过滤,7日内首次满足条件才显示
公式源码
VAR1:=(H+L+O+C*2)/5; VAR2:=EMA(VAR1,21); VAR3:=STD(VAR1,23); VAR4:=EMA(VAR1,2); VARA:=(VAR1-VAR2)*100/VAR3; K:(EMA(VARA,23)+100)/2-3,COLOR00FFFF,LINETHICK2; D:SMA(K,5,1),COLORFFFF00,LINETHICK2; J:4*K-3*D,COLORFF00FF,LINETHICK2; IF(J>REF(J,1),J,DRAWNULL)COLORRED,LINETHICK2; IF(J<=REF(J,1),J,DRAWNULL)COLORBLUE,LINETHICK2; DRAWICON(FILTER(J>REF(J,1)AND J<REF(J,3) AND J<K AND VAR4>REF(VAR4,1) AND K>=REF(K,1)AND J<40 OR crOSS(J,K)AND CROSS(J,D) AND J<40 OR J>REF(J,1)AND J<-20,7), J*0.95,1); DRAWICON(FILTER(J<=REF(J,1) AND J>80,8), J*1.05,2); 买入:FILTER(J>REF(J,1)AND J<REF(J,3) AND J<K AND VAR4>REF(VAR4,1) AND K>=REF(K,1)AND J<40 OR CROSS(J,K)AND CROSS(J,D) AND J<40 OR J>REF(J,1)AND J<-20,7),COLORRED,NODRAW; 卖出:FILTER(J<=REF(J,1) AND J>80,8),COLORCYAN,NODRAW;