kdj的j值小于-10选股公式。 编写条件：编写方法：RSV:=(CLOSE-LLV(LOW,7))/(HHV(HIGH,7)-LLV(LOW,7))*100;K:=SMA(RSV,3,1);D:=SMA(K,3,1);J:=3*K-2*D;XG:REF(J>50.01,1) AND C>=O AND J>REF(J,1) AND C>REF(C,1)*1.0235;