KDJ指标，同股价的背离,以确认高低点

RSV=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;

a=SMA(RSV,M1,1);

b=SMA(a,M2,1);

IF(a<0) a=0;

IF(a>100) a=100;

IF(b<0) b=0;

IF(b>100) b=100;

K:a;

D:b;

DRAWTEXT(REF(a,1)-REF(b,1)<0 AND(a-b>0),b,'买入'),colorred;

//DRAWICON(REF(a,1)-REF(b,1)<0 AND(a-b>0),a,1),colorred;

DRAWTEXT(REF(a,1)-REF(b,1)>0 AND(a-b<0) AND b>80,b,'减仓'),coloryellow;

//DRAWICON(REF(b,1)<80 AND REF(a,1)-REF(b,1)>0 AND(a-b<0) AND b<80,b,2),colorgreen;

DRAWTEXT(REF(a,1)-REF(b,1)>0 AND(a-b<0) AND b<80,B,'清仓'),colorgreen;

DRAWTEXT(REF(A,1)<REF(B,1) AND REF(b,1)>80 AND b<80,b,'止损'),colorgreen;

上:80;

中:20;