{slth四龙探海}
中rsv27:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
中k27:=SMA(中rsv27,3,1),color00ffff,linethick2;
中d27:SMA(中k27,3,1),colorff99ff,linethick2;
长rsv:=(CLOSE-LLV(LOW,89))/(HHV(HIGH,89)-LLV(LOW,89))*100;
长k89:=SMA(长rsv,3,1),colorwhite,linethick2;
长d89:SMA(长k89,3,1),colorff9900,linethick2;
var3a:=100-3*sma((close-llv(low,75))/(hhv(high,75)-llv(low,75))*100,20,
1)+2*sma(sma((close-llv(low,75))/(hhv(high,75)-llv(low,75))*100,20,1),
15,1);
底部线:var3a,,color00ffff;
stickline(底部线>=ref(底部线,1),底部线,ref(底部线,1),8,0),color00ffff,
linethick2;
stickline(底部线<ref(底部线,1),底部线,ref(底部线,1),8,0),colorff9900,
linethick2;
stickline(c>0,20,0,1,0),coloraaaaaa,
linethick2;
pdi:"dmi.pdi"(14,6),color4080ff,linethick2;
rsi4:"rsi.rsi1"(4,7,14),color00ff00,linethick2;
mmm:=中d27<25 and 长d89<15  and pdi<20 and rsi4<20;
底部:if(mmm,100,0),colorffffff,linethick2,stick;
DRAWICON(mmm=100,20,1);
v0:0,coloraaaaaa;
v10:10,coloraaaaaa;
v20:20,coloraaaaaa;
v50:50,coloraaaaaa;
v80:80,coloraaaaaa,POINTDOT;
v100:100,coloraaaaaa;
{设计思路：当中d27<25 and 长d89<15  and pdi<20 and rsi4<20，底部来临！}