Search Results for author: Tongseok Lim

Found 2 papers, 1 papers with code

Geometry of vectorial martingale optimal transport and robust option pricing

1 code implementation10 Sep 2023 Joshua Zoen-Git Hiew, Tongseok Lim, Brendan Pass, Marcelo Cruz de Souza

This paper addresses robust finance, which is concerned with the development of models and approaches that account for market uncertainties.

Replication of financial derivatives under extreme market models given marginals

no code implementations3 Jul 2023 Tongseok Lim

In this paper, we consider market models with arbitrarily many underlying assets whose values are observed over arbitrarily many time periods, and demonstrates the existence of a portfolio sub- or super-hedging a general path-dependent derivative security in terms of trading European options and underlyings, as well as the portfolio replicating the derivative payoff when the market model yields the extremal price of the derivative given marginal distributions of the underlyings.

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