Showing 1 - 10 of 16,097
The paper investigates the impact of jumps in forecasting co-volatility, accommodating leverage effects. We modify the … jump-robust two time scale covariance estimator of Boudt and Zhang (2013)such that the estimated matrix is positive … definite. Using this approach we can disentangle the estimates of the integrated co-volatility matrix and jump variations from …
Persistent link: https://www.econbiz.de/10011257254
The paper investigates the impact of jumps in forecasting co-volatility, accommodating leverage effects. We modify the … jump-robust two time scale covariance estimator of Boudt and Zhang (2013) such that the estimated matrix is positive … definite. Using this approach we can disentangle the estimates of the integrated co-volatility matrix and jump variations from …
Persistent link: https://www.econbiz.de/10011272957
covolatility extracted from high-frequency data. Dimension reduction for estimation of large covariance matrices is achieved by …
Persistent link: https://www.econbiz.de/10011004389
forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures … outperform existing dynamic conditional correlation models for forecasting future covariances. Among the new fMSV models, the … Cholesky MSV model with long memory and asymmetry shows stable and better forecasting performance for one-day, five-day and ten …
Persistent link: https://www.econbiz.de/10010907411
forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures … outperform existing dynamic conditional correlation models for forecasting future covariances. Among the new fMSV models, the … Cholesky MSV model with long memory and asymmetry shows stable and better forecasting performance for one-day, five-day and ten …
Persistent link: https://www.econbiz.de/10011272593
Germany. An efficient iteratively reweighted lasso approach is used for the estimation. Moreover, it is shown that several …
Persistent link: https://www.econbiz.de/10011189287
directional component of the market returns because, for investment purposes, forecasting the direction of return correctly is … in forecasting the direction of the market return. Finally, we test trading strategies and find that a number of industry …
Persistent link: https://www.econbiz.de/10011211851
This study aims to introduce an ideal model for forecasting crude oil price volatility. For this purpose, the …
Persistent link: https://www.econbiz.de/10011258951
We introduce a heuristic bias-adjustment for the transaction price-based realized range estimator of daily volatility in the presence of bid–ask bounce and non-trading. The adjustment is an extension of the estimator proposed in Christensen et al. (2009). We relax the assumption that all...
Persistent link: https://www.econbiz.de/10010730241
under the Basel Accord: A Bayesian approach to forecasting value-at-risk of VIX futures, fast clustering of GARCH processes … dynamics of BRICS's country risk ratings and domestic stock markets, U.S. stock market and oil price, forecasting value …
Persistent link: https://www.econbiz.de/10010907434