J负10:IF(BARSLAST(CROSS(KDJ.J,-10)) =0 AND BARSLAST(CROSS(KDJ.J,-10)) 10,REF(L,BARSLAST(CROSS(KDJ.J,-10))),DRAWNULL),DOTLINE;
J50:IF(COUNT(CROSS(KDJ.J,50),BARSLAST(CROSS(KDJ.J,-10))) 3 AND BARSLAST(CROSS(KDJ.J,50)) =0 AND BARSLAST(CROSS(KDJ.J,50)) 10,REF(L,BARSLAST(CROSS(KDJ.J,50))),DRAWNULL);