A Comparison of Parameters of Weibull Distribution on Nigeria Stock Prices
Publication Date: 16/09/2024
Author(s): Chukwudi Anderson Ugomma.
Volume/Issue: Volume 7 , Issue 3 (2024)
Abstract:
This paper compared 2-parameter and 3-parameter Weibull Distribution using monthly average stock price returns of five different bottling companies enlisted in the Nigerian Stock market comprising Nigerian Breweries PLC, Coca-Cola Bottling Company, Guiness Nigerian PLC, Seven Up Bottling Company and International Breweries from 2012 to 2016 obtained from www.market.ft.com/data/equities/tearsheet/historical . The parameters were obtained using the Method of Moments (MOM) and were compared by the means of minimum Mean Squared Error and the result shows that Coca-Cola bottling company stock price return performed better under 2-parameter Weibull Estimate while International Breweries was a choice under 3-Parameter Weibull Estimate. Also, the goodness –of-fit test was conducted using Kolmogorov-Smirnov Test and the result reviewed that the price of the stock returns do not follow a Weibull Distribution (P-value<0.05)
Keywords:
Two-Parameter Weibull Distribution, Three-Parameter Weibull Distribution, Method of Moments, Stock Prices.