LG's quarterly earnings forecast fell short of the consensus forecast of 266.84 billion won from FactSet.
LG Electronics expects revenue to be 16.061 trillion won in the quarter, up 1.8% from 15.772 trillion won in the same period last year. This forecast is also lower than the consensus expectation of 16.409 trillion won of Huisheng company.
LG Electronics expects revenue to rise 1.6 percent in 2019 from a year earlier, while operating profits are down 10 percent.
LG Electronics is expected to release its fourth-quarter 2019 and full-year results later in January.
The company's shares closed down 4 percent after LG Electronics reported a lower-than-expected profit forecast.