指标说明：
1.副图红色柱状标识主力吸筹区域，紫色柱显示主力高控盘状态（控盘度>50%），黄色宽柱为金底共振买点信号，蓝色柱状体现筹码高度集中特征。
2.选股策略以金底信号为核心，建议搭配紫色高控盘信号组合使用，适用尾盘或盘中实时选股，持股周期建议短期操作。
3.指标信号具有高稳定性，无未来函数不漂移。
HG1:=REF(CLOSE,1);
HG2:=SMA(MAX(CLOSE-HG1,0),6,1)/SMA(ABS(CLOSE-HG1),6,1)*100;
HG3:=SUM(HIGH-OPEN,26)/SUM(OPEN-LOW,26)*100;
主力吸筹:=(HG2< 20 AND HG3< 70)*30,COLORFFFFFF;
STICKLINE(主力吸筹>0,0,主力吸筹,3,0),COLOR0000FF;
DRAWTEXT(主力吸筹=30,25,'吸筹'),COLORFFFFFF;
HG4:=EMA(WINNER(CLOSE)*70,3);
HG5:=EMA((WINNER(CLOSE*1.1)-WINNER(CLOSE*0.9))*80,3);
控盘度:=(HG4/(HG4+HG5))*100, COLORLIGRAY;
STICKLINE(控盘度>50, 50, 控盘度,1,0), COLORMAGENTA;
主力线:=EMA((CLOSE-MA(CLOSE,7))/MA(CLOSE,7)*480,2),COLOR0000FF;
散户线:=EMA((CLOSE-MA(CLOSE,11))/MA(CLOSE,11)*480,7),COLOR00FF00;
HG6:=CROSS(主力线,散户线) AND 主力线< -10;
HG7:=CROSS(HG2,25);
金底:=FILTER(HG6 AND HG7,3);
STICKLINE(金底,0,50,4,0),COLOR00FFFF;
DRAWTEXT(金底,60,' ★金底'),COLOR00FFFF;
HG8:=(COST(95)-COST(5))/HHV(HIGH,20)*100;
STICKLINE(HG8< 15,80,100,2,0),COLOR00FF00;
