Kumar, P.M. et al. 2026. Reassessing Rolling Window effects in the Era of Machine Learning: Evidence from ARIMA and LSTM Models for Stock Index Forecasting. International Journal of Artificial Intelligence and Machine Learning. 6, 3 (Sep. 2026), 697–711. DOI:https://doi.org/10.51483/IJAIML.6.3.2026.697-711.