通达信可以用的，短线中线版KDJ买卖顶底指标公式。指标用于参考，决策在于个人！

{短线中线版KDJ}
N:=9;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:SMA(RSV,M1,1);
D:SMA(K,M2,1);
J:3*K-2*D;
N1:=5;
VAR1:4*SMA((CLOSE-LLV(LOW,N1))/(HHV(HIGH,N1)-LLV(LOW,N1))*100,5,1)-
3*SMA(SMA((CLOSE-LLV(LOW,N1))/(HHV(HIGH,N1)-LLV(LOW,N1))*100,5,1),3.2,1),COLORYELLOW,LINETHICK0;
VAR2:8,COLORGREEN,LINETHICK0;
上升: IF(CROSS(VAR1,VAR2),80,0),STICK,COLOR0000CC;
专吸: IF(VAR1<=8,25,0),STICK,COLORWHITE;
DRAWTEXT(CROSS(VAR1,VAR2),80,'准备'),COLOR00FFFF;
VARO5:=LLV(LOW,27);
VARO6:=HHV(HIGH,34);
VARO7:=EMA((CLOSE-VARO5)/(VARO6-VARO5)*4,4)*25;
建仓: IF((VARO7<10),-30,-10) ,COLOR00CCFF,LINETHICK1;
0,LINETHICK2 ,COLORFFCC00;
底线:10,COLOR9F9F5F;
顶线:92,COLOR9F9F5F;
BB:=IF(BARSLAST(CROSS(K,RSV))>=3 AND CRO