通达信LL副图指标

源码：

X:=LLV(LOW,21);
 Y:=HHV(HIGH,21);
 K:EMA((CLOSE-X)/(Y-X)*100,6),COLORRED;
 D:EMA(0.667*REF(K,1)+0.333*K,2),COLORGREEN;
 DRAWICON(LONGCROSS(K,D,1),K,1);
 DRAWICON(LONGCROSS(D,K,1),D,2);