N:=21;

M:=6;

M1:=20;

TR1:=EMA(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(REF(CLOSE,1)-LOW)),N);

HD :=HIGH-REF(HIGH,1);

LD :=REF(LOW,1)-LOW;

DMP:=EMA(IF(HD>0 AND HD>LD,HD,0),N);

DMM:=EMA(IF(LD>0 AND LD>HD,LD,0),N);

PDI:= DMP*100/TR1;

MDI:= DMM*100/TR1;

ADX: EMA((PDI-MDI)/(MDI+PDI)*100,M)*2;

ADXR:EMA(ADX,M);

ADMA:EMA(ADX,M1);

ADX1:ADX,COLORRED;

ADXR1:ADXR,COLORGREEN;

A1:=BARSLAST(REF(CROSS(ADX,ADXR),1));

B1:=REF(C,A1+1)>C AND REF(ADXR,A1+1)<ADXR AND CROSS(ADX,ADXR);

DRAWTEXT(B1>0,ADX-0.1,'底背离'),COLORFF00FF;

C1:=BARSLAST(REF(CROSS(ADXR,ADX),1));

D1:=REF(C,C1+1)<C AND REF(ADX,C1+1)>ADX AND CROSS(ADXR,ADX);

DRAWTEXT(D1> 0,ADX+0.1,'顶背离');