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以下是通达信软件三金叉选股公式（无源码的请下载附件导入）
公式源码：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
K1:=CROSS(J,K);
K2:=COUNT(K1,BARSLAST(J>=20));
K1 AND J<20 AND D<20 AND K2=3 AND (ATAN((J/REF(J,1)-1)*100)*180/3.1415926)>45;
N:=9;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:=3*K-2*D;
ENTERLONG: J>REF(J,1) AND CROSS(MACD.DIF,MACD.DEA) ;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
K1:=CROSS(J,K);
K2:=COUNT(K1,BARSLAST(J>=20));
K1 AND (ATAN((J/REF(J,1)-1)*100)*180/3.1415926)>45 AND CROSS(MACD.DIF,MACD.DEA) ;
MA5:=MA(CLOSE,5);MA10:=MA(CLOSE,10);MA20:=MA(CLOSE,20);DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIF,9);AA:=CROSS(DIF,DEA);RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;K:=SMA(RSV,3,1);D:=SMA(K,3,1);J:=3*K-2*D;BB:=CROSS(J,K);XG:MA5>MA10 AND MA10>MA20 AND AA AND BB;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
选股:K>D and J>K and D>20 and D<80 and D>REF(D,1) and K>REF(K,1) and J>REF(J,1) and J<90;
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