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We consider an option pricing model proposed by, where the implementation of dynamic hedging strategies has a feedback … patterns of implied volatility can actually be reproduced as a consequence of dynamical hedging. The simulations are performed … maturity classes. Overall, nonlinear feedback due to hedging strategies can, at least in part, contribute to explain from a …
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In the valuation of continuous barrier options the distribution of the first hitting time plays a substantial role. In general, the derivation of a hitting time distribution poses a mathematically challenging problem for continuous but otherwise arbitrary boundary curves. When considering...
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We study the relation between Lévy processes under nonlinear expectations, nonlinear semigroups and fully nonlinear PDEs. First, we establish a one-to-one relation between nonlinear Lévy processes and nonlinear Markovian convolution semigroups. Second, we provide a condition on a family of...
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