Dadakas, D.; Karpetis, C.; Fassas, A.; Varelas, E. Sectoral Differences in the Choice of the Time Horizon during Estimation of the Unconditional Stock Beta. Int. J. Financial Stud.2016, 4, 25.
Dadakas, D.; Karpetis, C.; Fassas, A.; Varelas, E. Sectoral Differences in the Choice of the Time Horizon during Estimation of the Unconditional Stock Beta. Int. J. Financial Stud. 2016, 4, 25.
Dadakas, D.; Karpetis, C.; Fassas, A.; Varelas, E. Sectoral Differences in the Choice of the Time Horizon during Estimation of the Unconditional Stock Beta. Int. J. Financial Stud.2016, 4, 25.
Dadakas, D.; Karpetis, C.; Fassas, A.; Varelas, E. Sectoral Differences in the Choice of the Time Horizon during Estimation of the Unconditional Stock Beta. Int. J. Financial Stud. 2016, 4, 25.
Abstract
The stock beta coefficient literature extensively discusses the proper methods for the estimation of beta as well as its use in asset valuation. However, there are relatively few references with respect to the appropriate time horizon that investors should utilize when evaluating the risk-return relationship of a stock. We examine the appropriate time horizon for beta estimation differentiating our results by sector according to the Industry Classification Benchmark. We employ data from the NYSE and we estimate varying lengths of beta employing data from 30 to 250 trading days. The constructed beta series is then examined for the presence of breaks using the endogenous structural break literature. Results show evidence against the use of betas that employ more than 90 trading days of data provisional to the sector under study.
Keywords
Stock Beta, Endogenous Structural Breaks, Time Horizon
Subject
Business, Economics and Management, Finance
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
