安全区:

var1:=slope(ma(close,21),3);
var2:=((close-llv(low,27))/(hhv(high,27)-llv(low,27)))*100;
var3:ma(100*(c-llv(c,34))/(hhv(h,34)-llv(l,34)),5)-10;
var4:sma(100*(c-llv(l,55))/(hhv(h,55)-llv(l,55)),13,1)-10;
var5:=(close-llv(low,90))/(hhv(high,90)-llv(low,90))*100;
drawicon(cross(var3,var4)and var4<20,var4,1);
drawtext(count(var1<0,10)=9 and cross(var1,0),30,'追涨');
var6:=llvbars(var5,90);
var7:=winner(c)*100;
建仓等待区:var6<5 and var7<20 or var6<40 and var7<2,colorf00ff0,linethick0;
stickline(建仓等待区,0,10,8,0),colorf00ff0;
安全区:var4<20,colorffff00,linethick0;
stickline(安全区,var4,20,8,1),colorffff00;
var8:=cost(10);
var9:=(close-var8)/var8*100;
关注: if(count(var9<-2,3)=3,20,0),colorff0000,linethick2;
var10:=sma(var2,3,1);
var11:=sma(var10,3,1);
var12:=cross(var10,var11) and var11<20;
drawtext(建仓等待区 and var12,25,'可买');
drawtext(filter(安全区 and var12,5),25,'买');
stickline(建仓等待区 and var12 and 安全区,25,0,8,1);