該指標(biāo)是一個交易信號指標(biāo)，通過計算短期、長期指數(shù)移動平均線的差值并進行平滑后得出指標(biāo)值，以及通過判斷MACD指標(biāo)的正負(fù)值和趨勢，來指示股票的買入和賣出時機。

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具體來說，當(dāng)MACD指標(biāo)出現(xiàn)金叉（DIFF線上穿DEA線）時，即為股票的買入信號；相反，當(dāng)MACD指標(biāo)出現(xiàn)死叉（DIFF線下穿DEA線）時，則為股票的賣出信號。此外，當(dāng)DEA線向上移動且向上交叉其前一次的DEA值時，也可視為股票的持股信號；相反，當(dāng)DEA向下移動和向下交叉其前一次的DEA值時，則可視為股票的持幣信號。

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在實際使用中，投資者可以結(jié)合個人的風(fēng)險偏好和投資理念，適當(dāng)調(diào)整參數(shù)和閾值，以適應(yīng)市場的變化。若股票出現(xiàn)底背離或頂背離信號，都可能預(yù)示將出現(xiàn)反轉(zhuǎn)趨勢，應(yīng)該注意加強風(fēng)險管理并調(diào)整投資策略。

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DIFF : EMA(C,12) - EMA(C,26);

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DEA : EMA(DIFF,9);

MACD=2*(DIFF-DEA);

Zero : 0;

gj:=MAX(CLOSE,O);

STICKLINE(MACD>0 AND MACD>=REF(MACD,1),0,MACD,2,0),color0000ff;

STICKLINE(MACD>0 AND MACD<REF(MACD,1),0,MACD,2,0),colorffff00;

STICKLINE(MACD<0 AND MACD>=REF(MACD,1),0,MACD,2,0),colorff00ff;

STICKLINE(MACD<0 AND MACD<REF(MACD,1),0,MACD,2,0),color00ff00;

L4:=LLV(gj,4);

jl:=(HHV(diff,55)-LLV(diff,55))/5;

gt:=dea>REF(dea,1) AND REF(dea,1)<REF(dea,2);

A1:=BARSLAST(REF(gt,1));

底背離:=REF(L4,A1+1)>C AND diff>REF(diff,A1+1) AND gt;

DRAWLINE(A1=0,DEA,底背離,REF(DEA,A1),0),colorred,LINETHICK2;

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DRAWLINE(底背離,DEA,底背離,REF(DEA,A1),0),colorred,LINETHICK2;

DRAWTEXT(底背離,REF(DEA,A1)*1.18,' 底背'),COLORFF00FF;

H4:=HHV(gj,4);

gt2:=dea<REF(dea,1) AND REF(dea,1)>REF(dea,2);

A2:=BARSLAST(REF(gt2,1));

頂背離:= REF(H4,A2+1)<H4 AND diff<REF(diff,A2+1) AND gt2;

DRAWLINE(A2=0 ,DEA,頂背離,REF(DEA,A2),0),colorgreen,LINETHICK2;

DRAWLINE(頂背離,DEA,頂背離,REF(DEA,A2),0),colorgreen,LINETHICK2;

DRAWTEXT(頂背離,REF(DEA,A2)*1.18,' 頂背'),COLORGREEN;//http://www.weiqiv.net.cn

A0:=DIFF<0 AND DEA<0;

A11:=A0>REF(A0,1);

A3:=BARSLAST(A11);

A4:=COUNT(DEA>0 AND DIFF >0,A3)=0;

A5:=CROSS(DIFF ,DEA);

A6:=BARSLAST(A5);

A7:=REF(A6,A6+1)+A6;

A8:=(DIFF+DEA)/2;

A9:=(H+L)/2;

A10:=A5 AND A7<A3 AND A4 AND A8>REF(A8,A7) AND A9<REF(A9,A7) AND MACD>0;

DRAWTEXT(A10,DIFF*0.95,'金叉'),coloryellow;cxh1:=SMA(AMOUNT/10,10,1)/10000;