Modeling and Forecasting Realized Portfolio Diversification Benefits

Vasyl Golosnoy, Benno Hildebrandt and Steffen Köhler
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Benno Hildebrandt: Faculty of Management and Economics, Ruhr-Universität Bochum, 44780 Bochum, Germany
Steffen Köhler: Faculty of Management and Economics, Ruhr-Universität Bochum, 44780 Bochum, Germany

JRFM, 2019, vol. 12, issue 3, 1-16

Abstract: For a financial portfolio, we suggest a realized measure of diversification benefits, which is based on intraday high-frequency returns. Our measure quantifies volatility reduction, which could be achieved by including an additional asset in the portfolio. In order to make our approach feasible for investors, we also provide time series modeling of both the realized diversification measure and realized portfolio weight. The performance of our approach is evaluated in-sample and out-of-sample. We find out that our approach is helpful for the purpose of portfolio variance minimization.

Keywords: diversification benefits; HAR models; minimum variance portfolio; realized measures (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2019
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