Informace o publikaci
The sub-fractional CEV model
| Autoři | |
|---|---|
| Rok publikování | 2021 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | Physica A: Statistical Mechanics and its Applications |
| Fakulta / Pracoviště MU | |
| Citace | |
| www | https://doi.org/10.1016/j.physa.2021.125974 |
| Doi | http://dx.doi.org/10.1016/j.physa.2021.125974 |
| Klíčová slova | CEV model; Econophysics; Long-range dependence; Option pricing; Sub-fractional Brownian motion; Sub-fractional Fokker–Planck |
| Přiložené soubory | |
| Popis | The sub-fractional Brownian motion (sfBm) is a stochastic process, characterized by non-stationarity in their increments and long-range dependence, considered as an intermediate step between the standard Brownian motion (Bm) and the fractional Brownian motion (fBm). The mixed process, a linear combination between a Bm and an independent sfBm, called mixed sub-fractional Brownian motion (msfBm), keeps the features of the sfBm adding the semi-martingale property for H>3/4, is a suitable candidate to use in price fluctuation modeling, in particular for option pricing. In this note, we arrive at the European Call price under the Constant Elasticity of Variance (CEV) model driven by a mixed sub-fractional Brownian motion. Empirical tests show the capacity of the proposed model to capture the temporal structure of option prices across different maturities. |
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