Asymptotic methods for transaction costs

Eberhard Mayerhofer

Papers from arXiv.org

Abstract: We propose a general approximation method for determining optimal trading strategies in markets with proportional transaction costs, with a polynomial approximation of the residual value function. The method is exemplified by several problems from optimally tracking benchmarks, hedging the Log contract, to maximizing utility from terminal wealth. Strategies are also approximated by practically executable, discrete trades. We identify the necessary trade-off between trading frequency and trade sizes to have satisfactory agreement with the theoretically optimal, continuous strategies of infinite activity.

Date: 2024-06
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Published in Risks, Special Issue: Optimal Investment and Risk Management, Vol. 12 No. 4 (2024), 64

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