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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
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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
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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
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A latent dynamic factor approach to forecasting multivariate stock market volatility : conference paper
Gribisch, Bastian - 2013
This paper proposes a latent dynamic factor model for low- as well as high-dimensional realized covariance matrices of stock returns. The approach is based on the matrix logarithm and allows for flexible dynamic dependence patterns by combining common latent factors driven by HAR dynamics and...
Persistent link: https://www.econbiz.de/10010341025
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Gold, oil, and stocks : dynamic correlations
Baruník, Jozef; Kočenda, Evžen; Vácha, Lukáš - 2015
in specific correlation dynamics. A strong implication emerges: during the period under research, and from a different …
Persistent link: https://www.econbiz.de/10010515402
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Covariance Forecasting in Equity Markets
Symitsi, Efthymia - 2018
while adjusting for the volatility risk premium. Relative model performance does not change during the global financial …
Persistent link: https://www.econbiz.de/10012915984
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Gold, oil, and stocks
Barunik, Jozef; Kočenda, Evžen; Vácha, Lukáš - 2014
in specific correlation dynamics. A strong implication emerges: during the period under research, and from a different …
Persistent link: https://www.econbiz.de/10010407524
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Investigating abnormal volatility transmission patterns between emerging and developed stock markets : a case study
Spulbăr, Cristi; Trivedi, Jatin; Birau, Ramona - In: Journal of business economics and management 21 (2020) 6, pp. 1561-1592
The main aim of this paper is to investigate volatility spillover effects, the impact of past volatility on present … emerging stock markets capture the volatility patterns of developed stock markets located in the same region. The empirical … volatility clustering, interdependence, correlations, financial integration and leptokurtosis. Symmetric and asymmetric GARCH …
Persistent link: https://www.econbiz.de/10012505328
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Managing portfolio risk during crisis times : a dynamic conditional correlation perspective
Zhang, Hanyu; Dufour, Alfonso - In: The quarterly review of economics and finance 94 (2024), pp. 241-251
Persistent link: https://www.econbiz.de/10014494675
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Energy contagion in the COVID-19 crisis
Heinlein, Reinhold; Legrenzi, Gabriella; Mahadeo, Scott … - 2020
We investigate the relationship between oil prices and stock markets of selected oil importers and oil exporters at the time of the COVID-19 pandemic. We provide evidence in favour of energy contagion, in term of significantly higher correlations between oil and stock markets returns during...
Persistent link: https://www.econbiz.de/10012226706