Moment Explosions in the Rough Heston Model

Stefan Gerhold, Christoph Gerstenecker and Arpad Pinter

Papers from arXiv.org

Abstract: We show that the moment explosion time in the rough Heston model [El Euch, Rosenbaum 2016, arxiv:1609.02108] is finite if and only if it is finite for the classical Heston model. Upper and lower bounds for the explosion time are established, as well as an algorithm to compute the explosion time (under some restrictions). We show that the critical moments are finite for all maturities. For negative correlation, we apply our algorithm for the moment explosion time to compute the lower critical moment.

Date: 2018-01, Revised 2018-04
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Citations: View citations in EconPapers (4)

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