傻瓜式抄底逃顶指标：

N:=20; M:=60;
 {布林带基础通道}
 BOLL:=MA(CLOSE,N);
 UPPER:=BOLL+2*STD(CLOSE,N);
 LOWER:=BOLL-2*STD(CLOSE,N);
 UPPER2:=BOLL+3*STD(CLOSE,N);
 LOWER2:=BOLL-3*STD(CLOSE,N);
 {多空带核心计算}
 多空线1:=EMA(C,13);
 多空线2:=EMA(C,34);
 {减仓线（紫色）}
 减仓线:=EMA(H,55),COLORFF00FF,LINETHICK2;
 DRAWTEXT_FIX(1,0.45,0.02,0,'减仓线'),COLORRED;
 {绘制虚线通道}
 UPPER:DRAWLINE(UPPER>0,UPPER,1,0,DRAWNULL),COLORWHITE,DOTLINE;
 LOWER:DRAWLINE(LOWER>0,LOWER,1,0,DRAWNULL),COLORWHITE,DOTLINE;
 UPPER2:DRAWLINE(UPPER2>0,UPPER2,1,0,DRAWNULL),COLORWHITE,DOTLINE;
 LOWER2:DRAWLINE(LOWER2>0,LOWER2,1,0,DRAWNULL),COLORWHITE,DOTLINE;
 {绘制多空填充带（青/黄）}
 DRAWBAND(多空线1,RGB(0,200,200),多空线2,RGB(200,200,0));
 {绘制绿色支撑线}
 支撑线:=EMA(L,89),COLOR00FF00,LINETHICK2;
 {K线变色（可选，匹配图中K线风格）}
 STICKLINE(C>=O,C,O,3,0),COLORRED;
 STICKLINE(C<O,C,O,3,0),COLORGREEN;
 STICKLINE(C>=O,H,L,0,0),COLORRED;
 STICKLINE(C<O,H,L,0,0),COLORGREEN;