Option valuation model with adaptive fuzzy numbers

  • Authors:
  • K. Thiagarajah;S. S. Appadoo;A. Thavaneswaran

  • Affiliations:
  • Department of Mathematics, Illinois State University, Normal, IL, USA;Department of Supply Chain Management, University of Manitoba, Winnipeg, Manitoba, Canada;Department of Statistics, University of Manitoba, Winnipeg, Manitoba, Canada

  • Venue:
  • Computers & Mathematics with Applications
  • Year:
  • 2007

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Abstract

In this paper, we consider moment properties for a class of quadratic adaptive fuzzy numbers defined in Dubois and Prade [D. Dubois, H. Prade, Fuzzy Sets and Systems: Theory and Applications, Academic Press, New York, 1980]. The corresponding moments of Trapezoidal Fuzzy Numbers (Tr.F.N's) and Triangular Fuzzy Numbers (T.F.N's) turn out to be special cases of the adaptive fuzzy number [S. Bodjanova, Median value and median interval of a fuzzy number, Information Sciences 172 (2005) 73-89]. A numerical example is presented based on the Black-Scholes option pricing formula with quadratic adaptive fuzzy numbers for the characteristics such as volatility parameter, interest rate and stock price. Our approach hinges on a characterization of imprecision by means of fuzzy set theory.