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A COMPARISON STUDY OF EXPLICIT AND IMPLICIT NUMERICAL METHODS FOR THE EQUITY-LINKED SECURITIES
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  • Journal title : Honam Mathematical Journal
  • Volume 37, Issue 4,  2015, pp.441-455
  • Publisher : The Honam Mathematical Society
  • DOI : 10.5831/HMJ.2015.37.4.441
 Title & Authors
A COMPARISON STUDY OF EXPLICIT AND IMPLICIT NUMERICAL METHODS FOR THE EQUITY-LINKED SECURITIES
YOO, MINHYUN; JEONG, DARAE; SEO, SEUNGSUK; KIM, JUNSEOK;
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 Abstract
In this paper, we perform a comparison study of explicit and implicit numerical methods for the equity-linked securities (ELS). The option prices of the two-asset ELS are typically computed using an implicit finite diffrence method because an explicit finite diffrence scheme has a restriction for time steps. Nowadays, the three-asset ELS is getting popularity in the real world financial market. In practical applications of the finite diffrence methods in computational finance, we typically use relatively large space steps and small time steps. Therefore, we can use an accurate and effient explicit finite diffrence method because the implementation is simple and the computation is fast. The computational results demonstrate that if we use a large space step, then the explicit scheme is better than the implicit one. On the other hand, if the space step size is small, then the implicit scheme is more effient than the explicit one.
 Keywords
Black-Scholes partial diffrential equation;log transformation;explicit finite diffrence method;equity-linked securities;non-uniform grid;
 Language
English
 Cited by
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