Binomial Models for Option Valuation - Examining and Improving Convergence

Posted: 10 Aug 1999

See all articles by Dietmar Leisen

Dietmar Leisen

Johannes Gutenberg University Mainz - Department of Banking

Matthias Reimer

University of Bonn - Institute of Statistics

Date Written: March 1995

Abstract

Binomial models, which rebuild the continuous setup in the limit, serve for approximative valuation of options, especially where formulas cannot be derived mathematically. Even with the valuation of European call options distorting irregularities occur. For this case, sources of convergence patterns are explained. Furthermore, it is proved order of convergence one for the Cox--Ross--Rubinstein[79] model as well as for the tree parameter selections of Jarrow and Rudd[83], and Tian[93]. Then, we define new binomial models, where the calculated option prices converge smoothly to the Black--Scholes solution and remarkably, we even achieve order of convergence two with much smaller initial error. Notably, solely the formulas to determine the constant up- and down- factors change. Finally, all tree approaches are compared with respect to speed and accuracy calculating relative root--mean--squared error of approximative option values for a sample of randomly selected parameters across a set of refinements. Approximation of American type options with the new models exhibits order of convergence one but smaller initial error than previously existing binomial models.

JEL Classification: G13

Suggested Citation

Leisen, Dietmar P. J. and Reimer, Matthias, Binomial Models for Option Valuation - Examining and Improving Convergence (March 1995). Available at SSRN: https://ssrn.com/abstract=5976

Dietmar P. J. Leisen

Johannes Gutenberg University Mainz - Department of Banking ( email )

Jakob-Welder-Weg 9
Mainz, D-55099
Germany
++49-6131-39 22097 (Phone)
++49-6131-39 23971 (Fax)

HOME PAGE: http://www.finserv.bwl.uni-mainz.de/index_ENG.php

Matthias Reimer (Contact Author)

University of Bonn - Institute of Statistics ( email )

Institut fuer Gesellschafts und Wirtschaftswissenschaften
Bonn, 53113
Germany
+49+228+739271 (Phone)
+49+228+739264 (Fax)

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