{红影幅图指标}
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:SMA(RSV,3,1),COLORWHITE;
D:SMA(K,3,1),COLORYELLOW;
J:3*K-2*D,COLORRED,LINETHICK2;
买入信号:CROSS(J,D) AND J<30,COLORRED,NODRAW;
卖出信号:CROSS(D,J) AND J>70,COLORGREEN,NODRAW;
DRAWICON(买入信号,J,1);
DRAWICON(卖出信号,J,2);
