Rough volatility: fact or artefact?

We investigate the statistical evidence for the use of ‘rough’ fractional processes with Hurst exponent H < 0.5 for modeling the volatility of financial assets, using a model-free approach. We introduce a non-parametric method for estimating the roughness of a function based on discrete sample, u...

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Bibliografiska uppgifter
Huvudupphovsmän: Cont, R, Das, P
Materialtyp: Journal article
Språk:English
Publicerad: Springer 2024