顶底趋势线副图源码分享，趋势分析
源码
var1:=(close-ma(close,21))/ma(close,21)*100;
var2:=(close-llv(low,43))/(hhv(high,43)-llv(low,43))*100;
var3:=sma(var2,2,1);
顶:100+(-abs(var1)),color0000ff,linethick4,pointdot;
股价:sma(var3,2,1),colorffffff,linethick2;
底:abs(var1),color00d500,linethick4,pointdot;
生死线:50,colore19800,linethick2;
a:80,color00ffff;
b:20,color80ffff;
ma3:=ma(c,5),linethick1,color209fff;
角度a:atan((ma3/ref(ma3,1)-1)*10)*180/3.1416+50,colorred,linethick2;