//N:=21;M1:=3;M2:=5;
RSV=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
a=SMA(RSV,M1,1);
b=SMA(a,M2,1);
e=3*a-2*b;
K:a;
D:b;
J:e;
强弱分界线:50,POINTDOT,linethick1,Color70DB93;
底:0,colorgreen;
顶:100, coloryellow;
DRAWTEXT(CROSS(j,底) AND (k < 25),-10,'买'),colorred;
DRAWTEXT(CROSS(顶,j) AND (k > 75),130,'险'),colorgreen;
DRAWTEXT(CROSS(j,底) AND (k > 30),-10,'财'),colorred;