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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 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
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.

Ort, förlag, år, upplaga, sidor
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
Nyckelord [en]
Radial basis function, Finite difference, Computational finance, Pricing of financial derivatives, Option pricing, Partial differential equation
Nationell ämneskategori
Beräkningsmatematik
Forskningsämne
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
Disputation
2018-09-28, ITC 2446, Polacksbacken, Lägerhyddsvägen 2, Uppsala, 10:15 (Engelska)
Opponent
Handledare
Tillgänglig från: 2018-09-06 Skapad: 2018-08-14 Senast uppdaterad: 2018-10-02
Delarbeten
1. Radial basis function generated finite differences for option pricing problems
Öppna denna publikation i ny flik eller fönster >>Radial basis function generated finite differences for option pricing problems
2018 (Engelska)Ingår i: Computers and Mathematics with Applications, ISSN 0898-1221, E-ISSN 1873-7668, Vol. 75, s. 1462-1481Artikel i tidskrift (Refereegranskat) Published
Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-336813 (URN)10.1016/j.camwa.2017.11.015 (DOI)000428100600024 ()
Projekt
eSSENCE
Tillgänglig från: 2017-12-01 Skapad: 2017-12-18 Senast uppdaterad: 2018-08-21Bibliografiskt granskad
2. Pricing financial derivatives using radial basis function generated finite differences with polyharmonic splines on smoothly varying node layouts
Öppna denna publikation i ny flik eller fönster >>Pricing financial derivatives using radial basis function generated finite differences with polyharmonic splines on smoothly varying node layouts
2018 (Engelska)Ingår i: Computing Research Repository, nr 1808.02365Artikel i tidskrift (Övrigt vetenskapligt) Submitted
Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-356834 (URN)
Projekt
eSSENCE
Tillgänglig från: 2018-08-07 Skapad: 2018-08-14 Senast uppdaterad: 2018-08-21Bibliografiskt granskad
3. A high order method for pricing of financial derivatives using radial basis function generated finite differences
Öppna denna publikation i ny flik eller fönster >>A high order method for pricing of financial derivatives using radial basis function generated finite differences
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
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.

Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-357217 (URN)
Projekt
eSSENCE
Tillgänglig från: 2018-08-14 Skapad: 2018-08-14 Senast uppdaterad: 2018-08-21
4. Pricing derivatives under multiple stochastic factors by localized radial basis function methods
Öppna denna publikation i ny flik eller fönster >>Pricing derivatives under multiple stochastic factors by localized radial basis function methods
2017 (Engelska)Ingår i: Computing Research Repository, nr 1711.09852Artikel i tidskrift (Övrigt vetenskapligt) Submitted
Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-333468 (URN)
Projekt
eSSENCE
Tillgänglig från: 2017-11-27 Skapad: 2017-11-14 Senast uppdaterad: 2018-08-22Bibliografiskt granskad
5. BENCHOP—The BENCHmarking project in Option Pricing
Öppna denna publikation i ny flik eller fönster >>BENCHOP—The BENCHmarking project in Option Pricing
Visa övriga...
2015 (Engelska)Ingår i: International Journal of Computer Mathematics, ISSN 0020-7160, E-ISSN 1029-0265, Vol. 92, s. 2361-2379Artikel i tidskrift (Refereegranskat) Published
Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-260897 (URN)10.1080/00207160.2015.1072172 (DOI)000363753800003 ()
Projekt
eSSENCE
Tillgänglig från: 2015-09-21 Skapad: 2015-08-25 Senast uppdaterad: 2018-08-21Bibliografiskt granskad
6. BENCHOP–SLV: The BENCHmarking project in Option Pricing – Stochastic and local volatility problems
Öppna denna publikation i ny flik eller fönster >>BENCHOP–SLV: The BENCHmarking project in Option Pricing – Stochastic and local volatility problems
Visa övriga...
2019 (Engelska)Ingår i: International Journal of Computer Mathematics, ISSN 0020-7160, E-ISSN 1029-0265, Vol. 96Artikel i tidskrift (Refereegranskat) Epub ahead of print
Nationell ämneskategori
Beräkningsmatematik
Identifikatorer
urn:nbn:se:uu:diva-357218 (URN)10.1080/00207160.2018.1544368 (DOI)
Projekt
eSSENCE
Tillgänglig från: 2018-11-07 Skapad: 2018-08-14 Senast uppdaterad: 2018-11-10Bibliografiskt granskad

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