SKDJ指标修改了下，简单实用。

绿色柱是底部信号，可参考。
在底部的时候，黄色线走平或上扬，且和红色线交叉时买进。


N 2  90  7
M 0  30  2

LOWV:=LLV(LOW,N);
HIGHV:=HHV(HIGH,N);
RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,M);
K:EMA(RSV,M),COLORRED,LINETHICK3;
D:MA(K,M),LINESTICK;
低位金叉跟进:20;
条件:=CROSS(K,D) AND K<50;
DRAWICON(条件,20,5);
VAR1:=REF(LOW,1);
VAR2:=SMA(ABS(LOW-VAR1),13,1)/SMA(MAX(LOW-VAR1,0),13,1)*4;
VAR3:=EMA(VAR2,13);
VAR4:=LLV(LOW,34);
VAR5:=EMA(IF(LOW<=VAR4,VAR3,0),3);
主力进场:
STICKLINE(VAR5>REF(VAR5,1),0,VAR5,1,0 ),COLORGREEN;