examines the consistency, persistency, and severity (degree) of volatility in exchange rate of Nigerian currency (naira) vis … examined using the ADF and PP approach, the stationary process, and order of the incorporated series. The ARCH and GARCH models … were used to examine the degree or severity of volatility based on the first difference, standard deviation and coefficient …

, it is important to model and quantify it. The conditional volatility models from the GARCH family and tail … financial investments has been debated in the literature. In this study, we compare the volatility of rates of return of …