指标的主要功能是识别股票价格在特定周期内的波动区间，通过绘制上下轨线来直观展示价格的支撑和压力位。它通过计算历史高低点位置，结合当前价格与历史数据的对比，形成动态的通道线，帮助判断趋势的延续或反转。
操作策略：当价格触及下轨线时，可能形成支撑，可考虑逢低买入；当价格触及上轨线时，可能面临压力，可考虑逢高减仓。若价格突破上轨或跌破下轨，可能预示趋势的强化或反转，需结合其他指标综合判断。
HG1:=LLVBARS(LOW,100);
HG2:=HHVBARS(HIGH,60);
HG3:=FINDLOWBARS(LOW,HG2+1,30,1);
HG4:=BARSLAST(CURRBARSCOUNT=CONST(HG1)+1);
HG5:=BARSLAST(CURRBARSCOUNT=CONST(HG3)+1);
HG6:=FINDHIGHBARS(HIGH,HG5,HG4+1,1);
HG7:=BARSLAST(CURRBARSCOUNT=CONST(HG6)+1);
HG8:=BARSLAST(CURRBARSCOUNT=CONST(HG2)+1);
HG9:=LOW>REF(LOW,HG4);
HG10:=HIGH>REF(HIGH,HG7);
HG11:=FINDLOWBARS(HIGH,0,HG8+1,1);
HG12:=BARSLAST(CURRBARSCOUNT=CONST(HG11)+1);
HG13:=FINDHIGHBARS(HIGH,HG12,10,1);
HG14:=BARSLAST(CURRBARSCOUNT=CONST(HG13)+1);
HG15:=(CLOSE-REF(CLOSE,HG8+1))/REF(CLOSE,HG8+1)*100;
HG16:=BARSSINCEN(HG15< -15,HG8+1);
HG26:=HIGH< REF(HIGH,HG8);
HG28:=LOW< REF(LOW,HG16);
下轨:DRAWLINE(HG4=0,L,HG5=0 AND HG9,LOW,1),COLORYELLOW,DOTLINE;
上轨:DRAWLINE(HG7=0,HIGH,HG8=0 AND HG10,HIGH,1),COLORYELLOW,DOTLINE;
上:DRAWLINE(HG8=0,HIGH,HG14=0 AND HG26,HIGH,1),COLORGREEN,DOTLINE;
下:DRAWLINE(HG16=0,LOW,HG12=0 AND HG28,LOW,1),COLORGREEN,DOTLINE;
