“…Energy finance is interdisciplinary, setting up a bridge on two most important industries, that is, finance and energy, in real life. In recent years, topics on asset pricing, financial risk management, investment, and so on have been widely applied in the energy industry area (Wen et al, 2021a;Wen et al, 2021b;Cao et al, 2022;Farouq et al, 2021;Liu et al, 2021;Peng et al, 2021;Tian et al, 2021;Zheng et al, 2021). In this paper, we verify the existence of firm-level "intraday return vs. overnight return" pattern and overnight-intraday effect of nine financial anomalies in the energy industry market.…”