A PDE approach to risk measures of derivatives

Tak Kuen Siu and Hailiang Yang

Applied Mathematical Finance, 2000, vol. 7, issue 3, 211-228

Abstract: This paper proposes a partial differential equation (PDE) approach to calculate coherent risk measures for portfolios of derivatives under the Black-Scholes economy. It enables us to define the risk measures in a dynamic way and to deal with American options in a relatively effective way. Our risk measure is based on the representation form of coherent risk measures. Through the use of some earlier results the PDE satisfied by the risk measures are derived. The PDE resembles the standard Black-Scholes type PDE which can be solved using standard techniques from the mathematical finance literature. Indeed, these results reveal that the PDE approach can provide practitioners with a more applicable and flexible way to implement coherent risk measures for derivatives in the context of the Black-Scholes model.

Keywords: Coherent Risk Measures American Options Physical Probability Measure Subjective Probability Measures Transaction Costs (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1080/13504860110045741

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