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International Journal of Theoretical and Applied Finance 13, 6 (2010) 867-899 ; http://dx.doi.org/10.1142/S0219024910006030
When are Swing options bang-bang and how to use it
Olivier Aj Bardou 1, Sandrine Bouthemy 1, Gilles Pagès 2
(2010)

In this paper we investigate a class of swing options with firm constraints in view of the modeling of supply agreements. We show, for a fully general payoff process, that the premium, solution to a stochastic control problem, is concave and piecewise affine as a function of the global constraints of the contract. The existence of bang-bang optimal controls is established for a set of constraints which generates by affinity the whole premium function. When the payoff process is driven by an underlying Markov process, we propose a quantization based recursive backward procedure to price these contracts. A priori error bounds are established, uniformly with respect to the global constraints.
1 :  Gaz de France, Research and Development Division (GDF-RDD)
Gaz de France
2 :  Laboratoire de Probabilités et Modèles Aléatoires (LPMA)
CNRS : UMR7599 – Université Pierre et Marie Curie [UPMC] - Paris VI – Université Paris VII - Paris Diderot
Mathématiques/Probabilités
Swing option – stochastic control – optimal quantization – energy
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