多了解再买入之再买入选股指标公式

RSV:=(CLOSE - LLV(LOW,18))/(HHV(HIGH,18) - LLV(LOW,18))*100;
K:=EMA(RSV,3);
D:=EMA(K,3);
J:=(3*K-2*D);
kdj1:=REF(COUNT(J=3,1) AND REF(J,1)<20;
kdJ2:=J>REF(J,1);
再买入:IF(FILTER(KDJ1 AND KDJ2,3),30,0);