Fahimma Nur Aulia and Burhanudin 2026. Analysis of Abnormal Return and Trading Volume Activity on the Announcement of Danantara Holding in Conventional Banks Listed on the Indonesia Stock Exchange (IDX). Al-Kharaj: Journal of Islamic Economic and Business. 8, 1 (Jan. 2026). DOI:https://doi.org/10.24256/kharaj.v8i1.9313.