Kaur, Arvinder; Chavali, Kavita - In: Risks : open access journal 13 (2025) 5, pp. 1-24
using the GARCH-M model. A sample is collected by clustering daily closing and opening prices from the official websites of … when using the GARCH-M model, which indicates pharma stock volatility clustering before the COVID-19 pandemic, that a … through effective prediction based on time-series analysis. The GARCH-M model is compatible with predicting future stock price …