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New Factor Structure Models And Idiosyncratic Volatility, Ossama Elhadary
New Factor Structure Models And Idiosyncratic Volatility, Ossama Elhadary
Dissertations, Theses, and Capstone Projects
In this dissertation, I propose new factor structures that are based on the Fama-French style factors but include additional locations like the industry groups and the exchanges where the stocks are traded. I show that the stock returns are clustered around the industry groups and the exchanges. Idiosyncratic volatility calculated using the new factor structure models tend to be smaller than those calculated using the traditional Fama-French model. By sorting portfolios using the idiosyncratic volatility computed using the new factor models, a trader can gain larger profits compared to sorting the portfolio using the traditionally calculated idiosyncratic volatility.