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Radial Basis Function generated Finite Difference Methods for Pricing of Financial Derivatives
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Avdelningen för beräkningsvetenskap. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Numerisk analys.ORCID-id: 0000-0003-3164-5242
2018 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

The purpose of this thesis is to present state of the art in radial basis function generated finite difference (RBF-FD) methods for pricing of financial derivatives. This work provides a detailed overview of RBF-FD properties and challenges that arise when the RBF-FD methods are used in financial applications.

Across the financial markets of the world, financial derivatives such as futures, options, and others, are traded in substantial volumes. Knowing the prices of those financial instruments at any given time is of utmost importance. Many of the theoretical pricing models for financial derivatives can be represented using multidimensional PDEs, which are in most cases analytically unsolvable.

We present RBF-FD as a recent numerical method with the potential to efficiently approximate solutions of PDEs in finance. As its name suggests, the RBF-FD method is of a finite difference (FD) type, from the radial basis function (RBF) group of methods. When used to approximate differential operators, the method is featured with a sparse differentiation matrix, and it is relatively simple to implement — like the standard FD methods. Moreover, the method is mesh-free, meaning that it does not require a structured discretization of the computational domain, and it is of a customizable order of accuracy — which are the features it inherits from the global RBF approximations.

The results in this thesis demonstrate how to successfully apply RBF-FD to different pricing problems by studying the effects of RBF shape parameters for Gaussian RBF-FD approximations, improving the approximation of differential operators in multiple dimensions by using polyharmonic splines augmented with polynomials, constructing suitable node layouts, and smoothing of the initial data to enable high order convergence of the method. Finally, we compare RBF-FD with other available methods on a plethora of pricing problems to form an objective image of the method’s performance.

Future development of RBF-FD is expected to result in a solid mesh-free high order method for multi-dimensional PDEs, that can be used together with dimension reduction techniques to efficiently solve problems of high dimensionality that we often encounter in finance.

sted, utgiver, år, opplag, sider
Uppsala: Acta Universitatis Upsaliensis, 2018. , s. 63
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 1702
Emneord [en]
Radial basis function, Finite difference, Computational finance, Pricing of financial derivatives, Option pricing, Partial differential equation
HSV kategori
Forskningsprogram
Beräkningsvetenskap med inriktning mot numerisk analys
Identifikatorer
URN: urn:nbn:se:uu:diva-357220ISBN: 978-91-513-0403-8 (tryckt)OAI: oai:DiVA.org:uu-357220DiVA, id: diva2:1238525
Disputas
2018-09-28, ITC 2446, Polacksbacken, Lägerhyddsvägen 2, Uppsala, 10:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2018-09-06 Laget: 2018-08-14 Sist oppdatert: 2018-10-02
Delarbeid
1. Radial basis function generated finite differences for option pricing problems
Åpne denne publikasjonen i ny fane eller vindu >>Radial basis function generated finite differences for option pricing problems
2018 (engelsk)Inngår i: Computers and Mathematics with Applications, ISSN 0898-1221, E-ISSN 1873-7668, Vol. 75, s. 1462-1481Artikkel i tidsskrift (Fagfellevurdert) Published
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-336813 (URN)10.1016/j.camwa.2017.11.015 (DOI)000428100600024 ()
Prosjekter
eSSENCE
Tilgjengelig fra: 2017-12-01 Laget: 2017-12-18 Sist oppdatert: 2018-08-21bibliografisk kontrollert
2. Pricing financial derivatives using radial basis function generated finite differences with polyharmonic splines on smoothly varying node layouts
Åpne denne publikasjonen i ny fane eller vindu >>Pricing financial derivatives using radial basis function generated finite differences with polyharmonic splines on smoothly varying node layouts
2018 (engelsk)Inngår i: Computing Research Repository, nr 1808.02365Artikkel i tidsskrift (Annet vitenskapelig) Submitted
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-356834 (URN)
Prosjekter
eSSENCE
Tilgjengelig fra: 2018-08-07 Laget: 2018-08-14 Sist oppdatert: 2018-08-21bibliografisk kontrollert
3. A high order method for pricing of financial derivatives using radial basis function generated finite differences
Åpne denne publikasjonen i ny fane eller vindu >>A high order method for pricing of financial derivatives using radial basis function generated finite differences
(engelsk)Manuskript (preprint) (Annet vitenskapelig)
Abstract [en]

In this paper, we consider the numerical pricing of financial derivatives using Radial Basis Function generated Finite Differences in space. Such discretization methods have the advantage of not requiring Cartesian grids. Instead, the nodes can be placed with higher density in areas where there is a need for higher accuracy. Still, the discretization matrix is fairly sparse. As a model problem, we consider the pricing of European options in 2D. Since such options have a discontinuity in the first derivative of the payoff function which prohibits high order convergence, we smooth this function using an established technique for Cartesian grids. Numerical experiments show that we acquire a fourth order scheme in space, both for the uniform and the nonuniform node layouts that we use. The high order method with the nonuniform node layout achieves very high accuracy with relatively few nodes. This renders the potential for solving pricing problems in higher spatial dimensions since the computational memory and time demand become much smaller with this method compared to standard techniques.

HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-357217 (URN)
Prosjekter
eSSENCE
Tilgjengelig fra: 2018-08-14 Laget: 2018-08-14 Sist oppdatert: 2018-08-21
4. Pricing derivatives under multiple stochastic factors by localized radial basis function methods
Åpne denne publikasjonen i ny fane eller vindu >>Pricing derivatives under multiple stochastic factors by localized radial basis function methods
2017 (engelsk)Inngår i: Computing Research Repository, nr 1711.09852Artikkel i tidsskrift (Annet vitenskapelig) Submitted
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-333468 (URN)
Prosjekter
eSSENCE
Tilgjengelig fra: 2017-11-27 Laget: 2017-11-14 Sist oppdatert: 2018-08-22bibliografisk kontrollert
5. BENCHOP—The BENCHmarking project in Option Pricing
Åpne denne publikasjonen i ny fane eller vindu >>BENCHOP—The BENCHmarking project in Option Pricing
Vise andre…
2015 (engelsk)Inngår i: International Journal of Computer Mathematics, ISSN 0020-7160, E-ISSN 1029-0265, Vol. 92, s. 2361-2379Artikkel i tidsskrift (Fagfellevurdert) Published
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-260897 (URN)10.1080/00207160.2015.1072172 (DOI)000363753800003 ()
Prosjekter
eSSENCE
Tilgjengelig fra: 2015-09-21 Laget: 2015-08-25 Sist oppdatert: 2018-08-21bibliografisk kontrollert
6. BENCHOP–SLV: The BENCHmarking project in Option Pricing – Stochastic and local volatility problems
Åpne denne publikasjonen i ny fane eller vindu >>BENCHOP–SLV: The BENCHmarking project in Option Pricing – Stochastic and local volatility problems
Vise andre…
2019 (engelsk)Inngår i: International Journal of Computer Mathematics, ISSN 0020-7160, E-ISSN 1029-0265, Vol. 96Artikkel i tidsskrift (Fagfellevurdert) Epub ahead of print
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-357218 (URN)10.1080/00207160.2018.1544368 (DOI)
Prosjekter
eSSENCE
Tilgjengelig fra: 2018-11-07 Laget: 2018-08-14 Sist oppdatert: 2018-11-10bibliografisk kontrollert

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