A new hybrid parametric and machine learning model with homogeneity hint for European-style index option pricing
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Abstract
Here, we propose and investigate a hybrid model that combines parametric option pricing models such as Black–Scholes (BS) option pricing model, Monte Carlo option pricing model, and finite difference method with nonparametric machine learning techniques such as support vector regression (SVR) and extreme learning machine-based regression models. The purpose of this model is to support better investment decisions by forecasting the option price with high predictive accuracy. To further reduce the forecasting error, we incorporate a homogeneity hint (i.e., training the model by categorizing the options data based on moneyness and time-to-maturity of the option contract) into the model. We examine the feasibility and effectiveness of this model using a case study to predict the one-day-ahead price of index options traded in the National Stock Exchange of India Limited. Our experimental results show that the proposed new hybrid model is viable and effective and provides better predictive performance as compared with our benchmark models (standard BS Model, standard Monte Carlo, standard finite difference model, and standard SVR Model). For example, the proposed hybrid model using SVR improved, respectively, the root-mean-square error and mean absolute error by 83.66 and 85.46 % (D1 dataset), 78.02 and 76.0 % (D2 dataset), 91.86 and 90.62 % (D3 dataset), and 87.7 and 90.29 % (D4 dataset), when compared with the benchmarked BS model. We observe similar improvements over the other benchmarked models. Therefore, the proposed new hybrid model is a suitable alternative model for option pricing when higher predictive accuracy is desired.
Keywords
Option pricing Support vector regression (SVR) Extreme learning machines (ELMs) Homogeneity hint Nonparametric methods Parametric methodsNotes
Acknowledgments
We would like to express our gratitude to the National Institute of Science and Technology (NIST) for the facilities and resources provided at the Data Science Laboratory at NIST for the development of this study. The authors would also like to thank the editors and the anonymous reviewers for their insightful suggestions that improved the quality of this manuscript.
Compliance with ethical standards
Conflict of interest
The authors declare that there are no conflict of interests (either financial or nonfinancial) regarding the publication of the paper.
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