{主图}
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
T:=BARSLAST(CROSS(0,MACD));
TA:=BARSLAST(CROSS(MACD,0));
T2:=REF(T,TA+1)+TA+1;
L1:=LLV(L,T+1);
L2:=REF(L1,T+1);
L1T:=BARSLAST(L=L1);
M1:=REF(MACD,BARSLAST(L=L1));
M2:=REF(M1,T+1+T+1);
L2T:=BARSLAST(L=CONST(L2));
TJ:=(T2-TA)>=10 AND (TA-T)>=10;
TJ1:=L1<L2 AND M1>M2;
EXT:DRAWLINE(L2T=0,L,L1T=0 AND TJ AND TJ1 AND T>=10 AND L2T>20,L,0),COLORYELLOW;
DRAWTEXT(CROSS(EXT!=DRAWNULL,0.5),EXT*1.05,'底背离'),COLORYELLOW;
{幅图}
DIF1:EMA(CLOSE,12)-EMA(CLOSE,26);
DEA1:EMA(DIF1,9);
MACD1:(DIF1-DEA1)*2,COLORSTICK;
T1:=BARSLAST(CROSS(0,MACD1));
TA1:=BARSLAST(CROSS(MACD1,0));
T21:=REF(T1,TA1+1)+TA1+1;
L11:=LLV(L,T1+1);
L21:=REF(L11,T1+1);
L1T1:=BARSLAST(L=L11);
M11:=REF(MACD1,BARSLAST(L=L11));
M21:=REF(M11,T1+1+T1+1);
L2T1:=BARSLAST(L=CONST(L21));
TJ2:=(T21-TA1)>=10 AND (TA1-T1)>=10;
TJ11:=L11<L21 AND M11>M21;
EXT1:DRAWLINE(L2T1=0,MACD1,L1T1=0 AND TJ2 AND TJ11 AND T1>=10 AND L2T1>20,MACD1,0),DOTLINE,COLORMAGENTA;
DRAWTEXT(CROSS(EXT1!=DRAWNULL,0.5),MACD1,'底背离'),COLORMAGENTA;
{选股}
DIF2:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA2:=EMA(DIF2,9);
MACD2:=(DIF2-DEA2)*2;
T3:=BARSLAST(CROSS(0,MACD2));
TA3:=BARSLAST(CROSS(MACD2,0));
T23:=REF(T3,TA3+1)+TA3+1;
L12:=LLV(L,T3+1);
L22:=REF(L12,T3+1);
L1T3:=BARSLAST(L=L12);
M12:=REF(MACD2,BARSLAST(L=L12));
M22:=REF(M12,T3+1+T3+1);
L2T3:=BARSLAST(L=CONST(L22));
TJ3:=(T23-TA3)>=10 AND (TA3-T3)>=10;
TJ13:=L12<L22 AND M12>M22;
XG:TJ3 AND TJ13 AND L1T3=0 AND T3>=10 AND L2T3>20;
