Robust pricing and hedging of options on multiple assets and its numerics

Stephan Eckstein, Gaoyue Guo, Tongseok Lim and Jan Obloj

Papers from arXiv.org

Abstract: We consider robust pricing and hedging for options written on multiple assets given market option prices for the individual assets. The resulting problem is called the multi-marginal martingale optimal transport problem. We propose two numerical methods to solve such problems: using discretisation and linear programming applied to the primal side and using penalisation and deep neural networks optimisation applied to the dual side. We prove convergence for our methods and compare their numerical performance. We show how adding further information about call option prices at additional maturities can be incorporated and narrows down the no-arbitrage pricing bounds. Finally, we obtain structural results for the case of the payoff given by a weighted sum of covariances between the assets.

Date: 2019-09, Revised 2020-10
New Economics Papers: this item is included in nep-cmp
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