The Martingale Approach

Carl Chiarella, Xuezhong (Tony) He () and Christina Sklibosios Nikitopoulos
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Christina Sklibosios Nikitopoulos: University of Technology Sydney

Chapter Chapter 8 in Derivative Security Pricing, 2015, pp 157-189 from Springer

Abstract: Abstract The martingale approach is widely used in the literature on contingent claim analysis. Following the definition of a martingale process, we give some examples, including the Wiener process, stochastic integral, and exponential martingale. We then present the Girsanov’s theorem on a change of measure. As an application, we derive the Black–Scholes formula under risk neutral measure. A brief discussion on the pricing kernel representation and the Feynman–Kac formula is also included.

Keywords: Stock Price; Stochastic Differential Equation; Option Price; Wiener Process; Quadratic Variation (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:dymchp:978-3-662-45906-5_8

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DOI: 10.1007/978-3-662-45906-5_8

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