Ruhiyat, E. et al. 2026. Market Anomalies in Kompas100 Stock Returns and Trading Volume (2023–2024) Emphasizing Calendar Effects. AKRUAL: Jurnal Akuntansi. 17, 2 (Apr. 2026), 373–387. DOI:https://doi.org/10.26740/jaj.v17n2.p373-387.