Putri, V.L.S., Nanthi, T.E.S. , Seran, Y.A.I., Patora, R.R. , Kareth, E. and Situmeang, R.J. 2026. PT Hexindo Adiperkasa TBK Stock Price Prediction for 2026-2027 Using the Autoregressive Integrated Moving Average (ARIMA) Method: JEL Classification: C53, C58, G11, G17. Journal of Management and Administration Provision . 6, 2 (Jun. 2026), 380-398. DOI:https://doi.org/10.55885/jmap.v6i2.1029.