Abstract
We estimate the dynamic daily dependence between assets by applying the Semiparametric Copula-Based Multivariate Dynamic (SCOMDY) model on intraday data. Using tick data of three stock returns of the period before and during the credit crisis, we find that our dependence estimator better captures the steep increase in dependence during the onset of the crisis as compared to other commonly used time-varying copula methods. Like other high-frequency estimators, we find that the dependence estimator exhibits long memory and forecast it using a HAR model. We show that for out-of-sample forecasts, our dependence estimator performs better than the constant estimator and other commonly used time-varying copula dependence estimators.
Acknowledgments
We would like to thank two anonymous referees, Bruce Mizrach (the Editor), Winfried Pohlmeier, Joachim Grammig and Yongwoong Lee for their insightful comments and suggestions, as well as Heikki Seppala for checking the mathematical proofs in the Web Appendix Section B. The research leading to these results has received funding from the European Community’s Seventh Framework Programme FP7-PEOPLE-ITN-2008 under grant agreement number PITN-GA-2009-237984. The funding is gratefully acknowledged.
Appendices

Constant and time varying dependence estimators Co (black solid lines), RW (black dashed-dotted lines), AR (blue solid lines) and ID (red dotted lines) for c-ibm between 2006 and 2008. Top row: Gaussian and Plackett copulas. Left middle and bottom rows: Student’s-t copula (rho and v); right middle and bottom rows: SJC copula (upper and lower tail parameters).

Constant and time varying dependence estimators Co (black solid lines), RW (black dashed-dotted lines), AR (blue solid lines) and ID (red dotted lines) for jpm-ibm between 2006 and 2008. Top row: Gaussian and s. Gumbel copulas. Left middle: Plackett copula; right middle and bottom rows: SJC copula (upper and lower tail parameters).
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Supplemental Material:
The online version of this article (DOI: 10.1515/snde-2013-0123) offers supplementary material, available to authorized users.
©2015 by De Gruyter
Articles in the same Issue
- Frontmatter
- A video interview of James Stock
- More powerful cointegration tests with non-normal errors
- Asset pricing with flexible beliefs
- Improving model performance with the integrated wavelet denoising method
- Noncausality and inflation persistence
- A triple-threshold leverage stochastic volatility model
- Estimating dynamic copula dependence using intraday data
Articles in the same Issue
- Frontmatter
- A video interview of James Stock
- More powerful cointegration tests with non-normal errors
- Asset pricing with flexible beliefs
- Improving model performance with the integrated wavelet denoising method
- Noncausality and inflation persistence
- A triple-threshold leverage stochastic volatility model
- Estimating dynamic copula dependence using intraday data