Hedging claims with feedback jumps in the price process
Author(s) -
Kiseop Lee,
Philip Protter
Publication year - 2008
Publication title -
communications on stochastic analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.224
H-Index - 10
eISSN - 2688-6669
pISSN - 0973-9599
DOI - 10.31390/cosa.2.1.09
Subject(s) - process (computing) , mathematical economics , economics , lévy process , econometrics , mathematics , computer science , statistics , operating system
We study a hedging and pricing problem of a model where the price process of a risky asset has jumps with instantaneous feedback from the most recent asset price. We model these jumps with a doubly stochastic Poisson process with an intensity function depending on the current price. We find a closed form expression of the local risk minimization strategy using Follmer and Schweizer decomposition and Feynman-Kac type integrodifferential equation. The possibility that the jumps depend on the most recent price is new for this type of model.
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