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Feeling the generalised rough SABR boundary

Masaaki Fukasawa, Antoine Jacquier, Mugad Oumgari

Source record

Source: arXiv

Published: Oct 15, 2026

arXiv: 2610.21841

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Source abstract

We provide an in-depth analysis of a generalised rough version of the SABR volatility model, widely used in the financial industry. We specifically focus on its behaviour at the origin, whether it can reach it and how fast it may do so.

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Feeling the generalised rough SABR boundary — Mathematical Frontier Network