N:=20;
DIF:=12;
EDA:=26;
MID:=9;
M1:=5;
M2:=10;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
0,COLOR9000F5;
K:SMA(RSV,M1,1),COLORWHITE;
D:SMA(K,M2,1),COLORYELLOW;
J:3*K-2*D,COLORGREEN;
A1:=BARSLAST(REF(CROSS(J,0),1));
底背离:=REF(CLOSE,A1+1)>CLOSE AND J>REF(J,A1+1) AND CROSS(J,0);
J背离上穿0买: IF(底背离 AND LLV(J,7)>LLV(J,30),100,0),COLORRED,LINETHICK2;
DRAWTEXT(底背离,J-25,'底背离'),COLOR9000F5;
