International records / OpenAlex research
Unraveling the Dynamics of Nigerian Stock Market: A Deep Dive into Volatility and Daily Stock Returns
This study investigates the volatility dynamics of daily stock market returns in Nigeria through advanced econometric models, specifically the Exponential Generalized Autoregressive Conditional Heteroskedasticity (EGARCH) model. Daily closing price data from the Nigerian Exchange Group (NGX), covering the period from June 30, 2015, to October 25, 2024, was analyzed to assess volatility persistence, clustering, and asymmetric responses to economic shocks. Findings revealed high volatility persistence and significant asymmetry, with negative shocks exerting a stronger impact on volatility than p…
