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A semiparametric nonlinear quantile regression model for financial returns

Krenar Avdulaj () and Jozef Baruník ()

Studies in Nonlinear Dynamics & Econometrics, 2017, vol. 21, issue 1, 81-97

Abstract: Accurately measuring and forecasting value-at-risk (VaR) remains a challenging task at the heart of financial economic theory. Recently, quantile regression models have been used successfully to capture the conditional quantiles of returns and to forecast VaR accurately. In this paper, we further explore nonlinearities in data and propose to couple realized measures with the nonlinear quantile regression framework to explain and forecast the conditional quantiles of financial returns. The nonlinear quantile regression models are implied by the copula specifications and allow us to capture possible nonlinearities, tail dependence, and asymmetries in the conditional quantiles of financial returns. Using high frequency data that covers most liquid US stocks in seven sectors, we provide ample evidence of asymmetric conditional dependence with different levels of dependence, which are characteristic for each industry. The backtesting results of estimated VaR favour our approach.

Keywords: copula quantile regression; realized volatility; value-at-risk (search for similar items in EconPapers)
JEL-codes: C14 C32 C58 F37 G32 (search for similar items in EconPapers)
Date: 2017
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