通达信MACD钝化结构形成选股指标公式
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SHORT:=12;LONG:=26;MID:=9;
DIF:=100*(EMA(CLOSE,SHORT)-EMA(CLOSE,LONG));
DEA:=EMA(DIF,MID);
MACD:=(DIF-DEA)*2;
{底部结构预警}
死叉:=CROSS(DEA,DIF);
N1:=BARSLAST(死叉),NODRAW;{最近一次死叉的位置}
N2:=REF(BARSLAST(死叉),N1+1),NODRAW;{倒数第二次死叉与倒数第一次死叉的区间}
N3:=REF(BARSLAST(死叉),N2+N1+2),NODRAW;{倒数第三次死叉与倒数第二次死叉的区间}
CL1:=LLV(C,N1+1),NODRAW;{最近一次死叉后,最低收盘价}
DIFL1:=LLV(DIF,N1+1),NODRAW;
CL2:=REF(CL1,N1+1),NODRAW;{倒数第二次死叉与倒数第一次死叉之间的最低收盘价}
DIFL2:=REF(DIFL1,N1+1),NODRAW;
CL3:=REF(CL2,N1+1),NODRAW;{倒数第三次死叉与倒数第二次死叉之间的最低收盘价}
DIFL3:=REF(DIFL2,N1+1),NODRAW;
PDIFL2:=IF(DIFL2&-gt;0,INTPART(LOG(DIFL2))-1,INTPART(LOG(-DIFL2))-1);
MDIFL2:=INTPART(DIFL2/POW(10,PDIFL2));
PDIFL3:=IF(DIFL3&-gt;0,INTPART(LOG(DIFL3))-1,INTPART(LOG(-DIFL3))-1);
MDIFL3:=INTPART(DIFL3/POW(10,PDIFL3));
MDIFB2:=INTPART(DIF/POW(10,PDIFL2));
MDIFB3:=INTPART(DIF/POW(10,PDIFL3));
直接底背离:=(CL1&-lt;CL2 ) AND (MDIFB2&-gt;MDIFL2) AND (MACD&-lt;0 AND REF(MACD,1)&-lt;0) AND MDIFB2&-lt;=REF(MDIFB2,1);
隔峰底背离:=(CL1&-lt;CL3 AND CL3&-lt;CL2 ) AND (MDIFB3&-gt;MDIFL3) AND (MACD&-lt;0 AND REF(MACD,1)&-lt;0) AND MDIFB3&-lt;=REF(MDIFB3,1);
B:=直接底背离 OR 隔峰底背离;
BG:=((MDIFB2&-gt;REF(MDIFB2,1))*REF(直接底背离,1)) OR ((MDIFB3&-gt;REF(MDIFB3,1))*REF(隔峰底背离,1));
TFILTER(BG,MACD&-gt;0,1)&&BARSLAST(B);


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