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Chukwu Agwu Ejem

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Open access Sep 2026

Examining Weak-Form Efficiency and the Dynamics of Stock Return Volatility in Nigeria

This study examined the weak-form efficiency and stock return volatility of the Nigerian Exchange Group (NGX) by analyzing daily closing prices of the All-Share Index (ASI) from May 18, 2017, to June 6th, 2024. Utilizing statistical tests such as Descriptive Statistics, Unit tests, Autocorrelation test, Pairwise Grange...

Chukwu Agwu Ejem · 0 citations
Open access Sep 2026

Naira’s Wild Ride: Decoding Daily Exchange Rate Volatility in Nigeria

This study investigated the volatility and daily exchange rate movements of the Nigerian Naira against the US Dollar, focusing on the factors influencing volatility dynamics. Using daily exchange rate data from May 29, 2015 to November 17, 2024, obtained from Central Bank of Nigeria Publications. Exponential Generalize...

Chukwu Agwu Ejem · 1 citation
Open access Sep 2026

Exploring the Maturity Transformation Upside Potentials and Performance of Deposit Money Banking in Nigeria

This study evaluated the upside potentials inherent in maturity transformation and its impact on the performance of Deposit Money Banks (DMBs) in Nigeria. Maturity transformation, defined as the process by which banks convert short-term deposits into long-term loans and investments, remains central to financial inte...

Chukwu Agwu Ejem · 0 citations
Open access Aug 2026

Exchange Rate Fluctuations, Oil Price Dynamics and Stock Market Volatility in Nigeria: An Empirical Evaluation

This study evaluated the relationship between oil price fluctuations and exchange rate movements on stock market volatility in Nigeria. As a mono-product, oil-dependent economy, Nigeria's macroeconomic indicators and financial markets are highly susceptible to external shocks, particularly from global crude oil price v...

Chukwu Agwu Ejem · 0 citations

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