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KDJ的J连续3天小于0,意味着短期可能见底,如果再加上连续下跌或急跌,其缺确定性更大些:
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  {KDJ之J小3天}
 BIAS:=(CLOSE-MA(CLOSE,4))/MA(CLOSE,4)*100;
 BITN:=ATAN(BIAS);
 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;
 XG:COUNT(J<0,8)>=3 AND CROSS(J,1) AND K>=REF(K,1) AND REF(BITN,1)<-1 AND REF(BITN,2)<-1;
 
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