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Article Dans Une Revue Journal of Applied Business Research Année : 2011

Intraday Relationship Between Market Activity And Public Announcements

Résumé

This paper aims to study the relationship between public information arrival and Euronext Paris intraday activity. The information flow is measured as the number of news items recorded by Reuters and conditional volatility is modeled by an EGARCH process. Our results reveal a strong positive relationship between public information flow and trading volume and a moderate positive relation between stock returns volatility and the information flow. These results are available for the CAC40 Index as well as for individual stocks and are robust even after controlling for the impact of the intraday patterns.
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Dates et versions

halshs-00601418 , version 1 (17-06-2011)

Identifiants

  • HAL Id : halshs-00601418 , version 1

Citer

Alexis Cellier, Waël Louhichi. Intraday Relationship Between Market Activity And Public Announcements. Journal of Applied Business Research, 2011, 27 (3), pp.55-70. ⟨halshs-00601418⟩
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