新版海底火山主图之紫三角选股指标公式

RSV:=(CLOSE - LLV(LOW,18))/(HHV(HIGH,18) - LLV(LOW,18));
K:=EMA(RSV,3);
D:=EMA(K,3);
J:=3*K-2*D;
kdj1:=REF(COUNT(J=3,1) AND REF(J,1)<0.2;
kdJ2:=J>REF(J,1);
紫三角:FILTER(KDJ1 AND KDJ2,3);