改良KDJ指标，抓牛好工具 [大智慧]

REFLINE: 0, 20, 50, 80, 100;
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;