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);
