Hasnawaty, H., Aqsa, M. and Khaddapi, M. 2022. January Effect Phenomenon on Abnormal Return in Stock of SOE Bank Listed on the Indonesia Stock Exchange (IDX) for the 2018-2020 Period. Jurnal Mantik. 5, 4 (Feb. 2022), 2811-2816. DOI:https://doi.org/10.35335/jurnalmantik.v5i4.2085.