Convergence analysis and optimal strike choice for static hedges of general path-independent pay-offs

Jingtang Ma, Dongya Deng and Harry Zheng

Quantitative Finance, 2016, vol. 16, issue 4, 593-603

Abstract: In this paper, we propose a new algorithm to find the optimal static replicating portfolios for general path-independent nonlinear pay-off functions and give an estimate for the rate of convergence that is absent in the literature. We choose the static replication by designing an adaptation function arising in the error bound between the nonlinear pay-off function and the linear spline approximation and derive the equidistribution equation for selecting the optimal strikes. The numerical tests for variance swaps, swaptions, static quadratic hedges and also for a jump-diffusion process, allowing for the default of the underlying asset, show that the proposed iterative equidistribution equation algorithm is simple, fast and accurate. The paper generalizes and improves the results on static replication and approximation in the literature.

Date: 2016
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DOI: 10.1080/14697688.2015.1046397

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