抄底策略之一：KDJ低位二次金叉

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,COLORFF33FF;
20;
DRAWTEXT(CROSS(K,D) AND D<50,40,'低位金叉'),COLORYELLOW;