KDJ底背离 通达信选股指标 源码 贴图 RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; A2:=BARSLAST(REF(CROSS(K,D),1)); K底背离:REF(C,A2+1) LLV( L,3 ) AND REF(K,A2+1) K AND CROSS(K,D) AND K