Portfolio Selection with Options and Transaction Costs

Semyon Malamud
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Semyon Malamud: EPFL and Swiss Finance Institute

No 14-08, Swiss Finance Institute Research Paper Series from Swiss Finance Institute

Abstract: I introduce dynamic option trading and non-linear views into the classical portfolio selection problem. The optimal dynamic option portfolio is characterized explicitly in terms of its expected sensitivities (Greeks) and the role of the mean-variance efficient portfolio is played by the "Greek efficient" portfolio. This is the portfolio that has the optimal sensitivities to chosen risk factors. I test these portfolios empirically and find that options signifi cantly improve the risk-return pro file due to predictability of powers (and other non-linear functions) of returns which allows for optimal management of non-linear views. To test the eff ects of higher moments on portfolio choice, I compute (both analytically and numerically) the Greek efficient portfolios for a CRRA investor and find that accounting for higher moments may have ambiguous eff ects on the optimal tail risk. In fact, even Greek efficient portfolios for a mean-variance investor already o er a highly attractive skewness-kurtosis profi le. In the presence of transactions costs that depend on an option's moneyness and maturity, optimal state contingent option portfolios are characterized in terms of state prices Greeks as well as a new object, the transactions costs Greeks.

Keywords: portfolio selection; dynamic trading; options; Greeks; transaction costs (search for similar items in EconPapers)
JEL-codes: G11 G13 (search for similar items in EconPapers)
Pages: 58 pages
Date: 2014-02
New Economics Papers: this item is included in nep-rmg
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:chf:rpseri:rp1408

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