Analytical pricing of American Put options on a Zero Coupon Bond in the Heath-Jarrow-Morton model
Articolo
Data di Pubblicazione:
2015
Abstract:
We study the optimal stopping problem of pricing an American Put option on a Zero Coupon Bond (ZCB) in Musiela's parametrization of the Heath-Jarrow-Morton (HJM) model for forward interest rates. First we show regularity properties of the price function by probabilistic methods. Then we find an infinite dimensional variational formulation of the pricing problem by approximating the original optimal stopping problem by finite dimensional ones, after a suitable smoothing of the payoff. As expected, the first time the price of the American bond option equals the payoff is shown to be optimal.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
American Put options on a Bond; Forward interest rates; HJM model; Infinite-dimensional stochastic analysis; Musielas parametrization; Optimal stopping
Elenco autori:
Chiarolla M.B.; De Angelis T.
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