Abstract
Under some standard market assumptions, evaluating a derivative implies computing the discounted expected value of its future cash flows and can be written as a stochastic Dynamic Program (DP), where the state variable corresponds to the underlying assets’ observable characteristics. Approximation procedures are needed to discretize the state space and to reduce the computational burden of the DP algorithm. One possible approach consists in interpolating the function representing the value of the derivative using polynomial basis functions. This chapter presents basic interpolation approaches used in DP algorithms for the evaluation of financial options, in the simple setting of a Bermudian put option.
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Acknowledgements
Research supported by IFM2 and by NSERC (Canada) to the first author, and Spanish MICINN, grant MTM2007-60528 (co-financed by FEDER funds) to the second author.
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Breton, M., de Frutos, J. (2012). Approximation of Dynamic Programs. In: Duan, JC., Härdle, W., Gentle, J. (eds) Handbook of Computational Finance. Springer Handbooks of Computational Statistics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17254-0_23
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DOI: https://doi.org/10.1007/978-3-642-17254-0_23
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