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We compare the performance of popular covariance forecasting models in the context of a portfolio of major European equity indices. We find that models based on high-frequency data offer a clear advantage in terms of statistical accuracy. They also yield more theoretically consistent predictions...
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in specific correlation dynamics. A strong implication emerges: during the period under research, and from a different …
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Finding a precise variance-covariance matrix is the building block of empirical finance. While microstructure-noise-robust methods for realized volatility are in the mainstream of financial econometrics, little if any attention has been devoted to estimating a noise-free realized covariance for...
Persistent link: https://www.econbiz.de/10013138934
Investors rely on the stock-bond correlation for a variety of tasks, such as forming optimal portfolios, designing … hedging strategies, and assessing risk. Most investors estimate the stock-bond correlation simply by extrapolating the … historical correlation of monthly returns and assume that this correlation best characterizes the correlation of future, annual …
Persistent link: https://www.econbiz.de/10012225162
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Die erheblichen Turbulenzen an den Finanzmärkten, die Talfahrten von Aktienkursen sowie die Veränderung der relativen Attraktivität unterschiedlicher Anlageformen beeinflussen die Investitionsentscheidungen von Anlegern. In der Studie untersucht das HWWI die Rentabilität von Investitionen in...
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We develop networks of international stock market indices using information and correlation based measures. We use 83 … stock market indices of a diversity of countries, as well as their single day lagged values, to probe the correlation and … one day coincides to same day correlation between them. …
Persistent link: https://www.econbiz.de/10011545240
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