Financial portfolio selection using the multifactor capital asset pricing model and imported options data

Mehmet F. Dicle ()
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Mehmet F. Dicle: Loyola University New Orleans

Stata Journal, 2013, vol. 13, issue 3, 603-617

Abstract: Diversification and portfolio selection are integral parts of a finance curriculum. In this article, a multifactor capital asset pricing model is fit for components of the Dow Jones Composite Index using data from Yahoo! Finance. Along with the capital asset pricing model's Beta, other statistics that are common criteria for portfolio selection are calculated: historic standard deviation (total risk), total return, average daily return, and Sharpe and Treynor measures. Two new commands are introduced, fetchcomponents and fetchportfolio, that automate the entire process. A third new command, fetchyahoooptions, is provided to download and parse equity options data from Yahoo! Finance webpages and, optionally, to calculate the implied volatilities for the downloaded options. Copyright 2013 by StataCorp LP.

Keywords: fetchcomponents; fetchportfolio; fetchyahoooptions; finance; financial data; multifactor capital asset pricing model; Beta; diversification; portfolio selection; Sharpe; Treynor; options; implied volatility (search for similar items in EconPapers)
Date: 2013
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