Realized extreme quantile: A joint model for conditional quantiles and measures of volatility with EVT refinements
2018
We propose a new framework exploiting
realizedmeasures of volatility to estimate and forecast extreme
quantiles. Our
realizedextreme
quantile(REQ) combines
quantile regressionwith
extreme value theoryand uses a measurement equation that relates the
realizedmeasure to the latent conditional
quantile. Model estimation is performed by
quasi maximum likelihood, and a simulation experiment validates this estimator in finite samples. An extensive empirical analysis shows that high†frequency measures are particularly informative of the dynamic
quantiles. Finally, an out†of†sample forecast analysis of quantile†based
risk measuresconfirms the merit of the REQ.
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