The Ross recovery theorem with a regularised multivariate Markov chain

Vaughan Van Appel, Eben Maré

Abstract


Recently, Ross derived a theorem, namely the "Recovery theorem", that allows for the recovery of the pricing kernel and real-world asset distribution, under particular assumptions, from a forward-looking risk neutral distribution. However, recovering the real-world distribution involves solving two ill-posed problems. In this paper, the accuracy of a regularised multivariate mixture distribution to recover the real-world distribution is introduced and tested. In addition it is shown that this method improves the estimation accuracy of the real-world distribution. Furthermore, an empirical study, using weekly South African Top40 option trade data, is carried out to show that the recovered distribution is in line with economic theory.

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DOI: https://doi.org/10.5784/34-2-594

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ISSN 2224-0004 (online); ISSN 0259-191X (print)

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