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Type | Journal Article |
Scope | Discipline-based scholarship |
Title | Model risk for European-style stock index options |
Organization Unit | |
Authors |
|
Item Subtype | Original Work |
Refereed | Yes |
Status | Published in final form |
Language |
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Journal Title | IEEE Transactions on Neural Networks |
Publisher | Institute of Electrical and Electronics Engineers |
Geographical Reach | international |
ISSN | 1045-9227 |
Volume | 18 |
Number | 1 |
Page Range | 193 - 202 |
Date | 2007 |
Abstract Text | In empirical modeling, there have been two strands for pricing in the options literature, namely the parametric and nonparametric models. Often, the support for the nonparametric methods is based on a benchmark such as the Black-Scholes (BS) model with constant volatility. In this paper, we study the stochastic volatility (SV) and stochastic volatility random jump (SVJ) models as parametric benchmarks against feedforward neural network (FNN) models, a class of neural network models. Our choice for FNN models is due to their well-studied universal approximation properties of an unknown function and its partial derivatives. Since the partial derivatives of an option pricing formula are risk pricing tools, an accurate estimation of the unknown option pricing function is essential for pricing and hedging. Our findings indicate that FNN models offer themselves as robust option pricing tools, over their sophisticated parametric counterparts in predictive settings. There are two routes to explain the superiority of FNN models over the parametric models in forecast settings. These are nonnormality of return distributions and adaptive learning. |
Free access at | Related URL |
Digital Object Identifier | 10.1109/TNN.2006.883005 |
Other Identification Number | merlin-id:5972 |
PDF File | Download from ZORA |
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