Li, Minqiang (2014): Derivatives Pricing on Integrated Diffusion Processes: A General Perturbation Approach.

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Abstract
Many derivatives products are directly or indirectly associated with integrated diffusion processes. We develop a general perturbation method to price those derivatives. We show that for any positive diffusion process, the hitting time of its integrated process is approximately normally distributed when the diffusion coefficient is small. This result of approximate normality enables us to reduce many derivative pricing problems to simple expectations. We illustrate the generality and accuracy of this probabilistic approach with several examples in the Heston model, including variance derivatives, European vanilla options, timer forwards, and timer options. Major advantages of the proposed technique include extremely fast computational speed, ease of implementation, and analytic tractability.
Item Type:  MPRA Paper 

Original Title:  Derivatives Pricing on Integrated Diffusion Processes: A General Perturbation Approach 
English Title:  Derivatives Pricing on Integrated Diffusion Processes: A General Perturbation Approach 
Language:  English 
Keywords:  Integrated diffusion process; Asymptotic expansion; Hitting time; Derivative pricing; Timer options 
Subjects:  C  Mathematical and Quantitative Methods > C0  General > C02  Mathematical Methods G  Financial Economics > G1  General Financial Markets > G12  Asset Pricing ; Trading Volume ; Bond Interest Rates G  Financial Economics > G1  General Financial Markets > G13  Contingent Pricing ; Futures Pricing 
Item ID:  54595 
Depositing User:  Minqiang Li 
Date Deposited:  19. Mar 2014 15:39 
Last Modified:  19. Mar 2014 15:45 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/54595 