KDJ指标做了优化，适合小波段操作，短线需配合其他指标。
指标用法：底背离买入，顶背离卖出。

VAR13:=(CLOSE-LLV(LOW,13))/(HHV(HIGH,13)-LLV(LOW,13))*100;
K1:SMA(VAR13,3,1),COLORFFFFFF;
D1:SMA(K1,3,1),COLORFFFFFF,LINETHICK2;
VAR21:=(CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;
K2:SMA(VAR21,3,1),COLOR0000FF;
D2:SMA(K2,3,1),COLOR0000FF,LINETHICK2;
VAR34:=(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34))*100;
K3:SMA(VAR34,3,1),COLORFF8800;
D3:SMA(K3,3,1),COLORFF8800,LINETHICK2;
VAR55:=(CLOSE-LLV(LOW,55))/(HHV(HIGH,55)-LLV(LOW,55))*100;
K55:=SMA(VAR55,3,1),COLOR00FF00;
D55:=SMA(K55,3,1),COLOR008000;
DIBU:= K1<20 AND D1<20 AND K2<20 AND D2<20 AND K3<20 AND D3<20 AND D55<20;
STICKLINE(DIBU=1,-2,5,1,0),colorred;
TOBU:= K3>80 AND K2>80 ;
STICKLINE(TOBU=1,100,95,1,0)  ,colorgreen;
DD:=-10;