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Modelling Electricity Futures by Ambit Fields

Published online by Cambridge University Press:  22 February 2016

Ole E. Barndorff-Nielsen*
Affiliation:
Aarhus University
Fred Espen Benth*
Affiliation:
University of Oslo
Almut E. D. Veraart*
Affiliation:
Imperial College London
*
Postal address: Thiele Center, Department of Mathematics, and CREATES, Aarhus University, Ny Munkegade 118, DK-8000 Aarhus C, Denmark. Email address: oebn@imf.au.dk
∗∗ Postal address: Centre of Mathematics for Applications, University of Oslo, PO Box 1053, Blindern, N-0316 Oslo, Norway. Email address: fredb@math.uio.no
∗∗∗ Postal address: Department of Mathematics, Imperial College London, 180 Queen's Gate, London SW7 2AZ, UK. Email address: a.veraart@imperial.ac.uk
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Abstract

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In this paper we propose a new modelling framework for electricity futures markets based on so-called ambit fields. The new model can capture many of the stylised facts observed in electricity futures and is highly analytically tractable. We discuss martingale conditions, option pricing, and change of measure within the new model class. Also, we study the corresponding model for the spot price, which is implied by the new futures model, and show that, under certain regularity conditions, the implied spot price can be represented in law as a volatility modulated Volterra process.

Type
General Applied Probability
Copyright
© Applied Probability Trust 

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