{QBD 起爆点 · 副图 · v1 2026-09-29 · 配合⑥选股公式使用; 逻辑与统计见交付页}
{信号定义: 近60日箱体宽度<=42% 且 缩量整理(5日量/20日量<=0.95) 的平台上,}
{当日出现紫信号(JV>=95 或 WZ20>=87) 且此前60根K线无紫(首次), 且放量(量>=昨5日均量x1.5) 且 涨幅>=3%}
{读法: 整理度线越高=平台越窄; 整理度>=58(即箱体<=42%)进入合格整理区; ●爆=起爆点(长整理后首个紫)}
{关键: 紫信号连续/紫绿交替出现属行情后段; 只有"长整理后的第一个紫"才是本指标买点}
QBD_RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9)+0.0001)*100;
QBD_K9:=SMA(QBD_RSV,3,1);
QBD_D9:=SMA(QBD_K9,3,1);
QBD_JV:=3*QBD_K9-2*QBD_D9;
QBD_WZ20:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20)+0.0001)*100;
QBD_PUR:=(QBD_JV>=95) OR (QBD_WZ20>=87);
QBD_BOXW:=(HHV(HIGH,60)-LLV(LOW,60))/(LLV(LOW,60)+0.0001)*100;
QBD_BOXL:=REF(QBD_BOXW,1);
QBD_MV5:=MA(VOL,5);
QBD_MV20:=MA(VOL,20);
QBD_DRY:=REF(QBD_MV5/(QBD_MV20+0.0001),1);
QBD_VOLR:=VOL/(REF(QBD_MV5,1)+0.0001);
QBD_UPD:=(CLOSE-REF(CLOSE,1))/(REF(CLOSE,1)+0.0001)*100;
QBD_BASE:=(QBD_BOXL<=42) AND (QBD_DRY<=0.95);
QBD_FIRST:=QBD_PUR AND (COUNT(QBD_PUR,61)=1);
QBD_SIG:=QBD_BASE AND QBD_FIRST AND (QBD_VOLR>=1.5) AND (QBD_UPD>=3);
QBD_ZD:=MAX(0,MIN(100,100-QBD_BOXW));
QBD_OK:=BARSCOUNT(CLOSE)>=62;
{输出1: 整理度 = 100-近60日箱体宽度%, 越高平台越窄}
整理度:QBD_ZD,COLOR00CCFF,LINETHICK1;
{输出2: 准入线 58 对应箱体宽度42%}
准入线:58,COLORGRAY,DOTLINE;
{输出3: 起爆点标记(圆点+字母, 字母在点上方; 品红与紫信号同色)}
DRAWTEXT(QBD_SIG AND QBD_OK,QBD_ZD,'●'),COLORMAGENTA;
DRAWTEXT(QBD_SIG AND QBD_OK,MIN(97,QBD_ZD+6),'爆'),COLORMAGENTA;
DRAWTEXT_FIX(1,0.01,0.14,0,'●爆 = 长整理后首次紫');
{数据量守卫}
DRAWTEXT_FIX(NOT(QBD_OK),0.01,0.06,0,'数据不足62根');