Narrow search
Showing 1 - 10 of 129,327
Cover Image
Large dynamic covariance matrices: enhancements based on intraday data
De Nard, Gianluca; Engle, Robert F.; Ledoit, Olivier; … - 2021 - This version: June 2021
unconditional correlation matrix. In this paper, we show how performance can be increased further by using open/high/low/close (OHLC … but also of dynamic correlations, is the concept of a regularized return, obtained from a volatility proxy in conjunction …
Persistent link: https://www.econbiz.de/10012584099
Cover Image
Large dynamic covariance matrices: enhancements based on intraday data
De Nard, Gianluca; Engle, Robert F.; Ledoit, Olivier; … - 2020
. (2019) is able to overcome this curse via nonlinear shrinkage estimation of the unconditional correlation matrix. In this … covariances, is the concept of a regularized return, obtained from a volatility proxy in conjunction with a smoothed sign …
Persistent link: https://www.econbiz.de/10012253083
Cover Image
On portfolio optimization : forecasting asset covariances and variances based on multi-scale risk models
Berger, Theo; Fieberg, Christian - In: Journal of risk finance : the convergence of financial … 17 (2016) 3, pp. 295-309
Persistent link: https://www.econbiz.de/10011628354
Cover Image
Comparing high-dimensional conditional covariance matrices : implications for portfolio selection
Moura, Guilherme Valle; Santos, André A. P.; Ruiz, Esther - In: Journal of banking & finance 118 (2020), pp. 1-13
Persistent link: https://www.econbiz.de/10012521005
Cover Image
Forecasting conditional covariance matrices in high-dimensional time series : a general dynamic factor approach
Trucíos, Carlos; Mazzeu, João H. G.; Hallin, Marc; … - In: Journal of business & economic statistics : JBES ; a … 41 (2023) 1, pp. 40-52
Persistent link: https://www.econbiz.de/10013540629
Cover Image
Large dynamic covariance matrices : enhancements based on intraday data
De Nard, Gianluca; Engle, Robert F.; Ledoit, Olivier; … - In: Journal of banking & finance 138 (2022), pp. 1-16
Persistent link: https://www.econbiz.de/10013461761
Cover Image
Variance risk : a bird's eye view
Hollstein, Fabian; Wese Simen, Chardin - In: Journal of econometrics 215 (2020) 2, pp. 517-535
Persistent link: https://www.econbiz.de/10012439498
Cover Image
Sparse Bayesian time-varying covariance estimation in many dimensions
Kastner, Gregor - In: Journal of econometrics 210 (2019) 1, pp. 98-115
Persistent link: https://www.econbiz.de/10012303382
Cover Image
A nonparametric eigenvalue-regularized integrated covariance matrix estimator for asset return data
Lam, Clifford; Feng, Phoenix - In: Journal of econometrics 206 (2018) 1, pp. 226-257
Persistent link: https://www.econbiz.de/10012110378
Cover Image
Weighted least squares realized covariation estimation
Li, Yifan; Nolte, Ingmar; Vasios, Michalis; Voev, Valeri; … - In: Journal of banking & finance 137 (2022), pp. 1-21
Persistent link: https://www.econbiz.de/10013460187