判断超买和超卖的趋势指标，
蓝色线转黄色线可以考虑关注
密码000858
{通达信黄安顶底副图指标}
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;
STICKLINE(J>100,100,J,2,0),COLORRED;
STICKLINE(J<0,0,J,2,0),COLORGREEN;
DRAWICON(CROSS(J,20),20,1);
DRAWICON(CROSS(80,J),80,2);
DRAWTEXT(CROSS(J,20),20,'买'),COLORRED;
DRAWTEXT(CROSS(80,J),80,'卖'),COLORGREEN;
顶:100,COLORRED;
底:0,COLORGREEN;
