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Improving Non-Parametric Option Pricing during the Financial Crisis

Listed author(s):
  • Dragan Kukolj


    (Faculty of Technical Sciences, University of Novi Sad, Serbia)

  • Nikola Gradojevic


    (Faculty of Business Administration, Lakehead University, Canada; The Rimini Centre for Economic Analysis, Italy)

  • Camillo Lento


    (Faculty of Business Administration, Lakehead University, Canada)

Financial option prices have experienced excessive volatility in response to the recent economic and financial crisis. During the crisis periods, financial markets are, in general, subject to an abrupt regime shift which imposes a significant challenge to option pricing models. In this context, swiftly evolving markets and institutions require valuation models that are capable of recognizing and adapting to such changes. Both parametric and non-parametric pricing models have shown poor forecast ability for options traded in late 1987 and 2008. Surprisingly, the pricing inaccuracy was more pronounced for non-parametric models than for parametric models. To address this problem, we propose a modular neural network-fuzzy learning vector quantization (MNN-FLVQ) model that uses the Kohonen unsupervised learning and fuzzy clustering algorithms to classify the S&P 500 stock market index options, and thereby detect a regime shift. The results for the 2008 financial crisis demonstrate that the MNN-FLVQ model is superior to the competing methods in regards to option pricing during regime shifts.

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Paper provided by The Rimini Centre for Economic Analysis in its series Working Paper Series with number 35_12.

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Date of creation: Jun 2012
Handle: RePEc:rim:rimwps:35_12
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  1. Garcia, Rene & Gencay, Ramazan, 2000. "Pricing and hedging derivative securities with neural networks and a homogeneity hint," Journal of Econometrics, Elsevier, vol. 94(1-2), pages 93-115.
  2. Nikola Gradojevic & Ramazan Gencay & Dragan Kukolj, 2009. "Option Pricing with Modular Neural Networks," Working Paper Series 32_09, The Rimini Centre for Economic Analysis.
  3. Bates, David S., 2000. "Post-'87 crash fears in the S&P 500 futures option market," Journal of Econometrics, Elsevier, vol. 94(1-2), pages 181-238.
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