A New Volatility Model: GQARCH-Ito Model

Huiling Yuan, Yong Zhou, Lu Xu, Yulei Sun and Xiangyu Cui

No hkzdr, SocArXiv from Center for Open Science

Abstract: Volatility asymmetry is a hot topic in high-frequency financial market. In this paper, we propose a new econometric model, which could describe volatility asymmetry based on high-frequency historical data and low-frequency historical data. After providing the quasi-maximum likelihood estimators for the parameters, we establish their asymptotic properties. We also conduct a series of simulation studies to check the finite sample performance and volatility forecasting performance of the proposed methodologies. And an empirical application is demonstrated that the new model has stronger volatility prediction power than GARCH-It\^{o} model in the literature.

Date: 2020-03-27
New Economics Papers: this item is included in nep-ecm, nep-ets, nep-for and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:osf:socarx:hkzdr

DOI: 10.31219/osf.io/hkzdr

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