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The conditional CAPM revisited: evidence from high-frequency betas

Hollstein, F., Prokopczuk, M. and Wese Simen, C. (2019) The conditional CAPM revisited: evidence from high-frequency betas. Management Science. ISSN 1526-5501 (In Press)

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Abstract/Summary

When using high-frequency data, the conditional CAPM can explain asset-pricing anomalies. Using conditional betas based on daily data, the model works reasonably well for a recent sample period. However, it fails to explain the size anomaly as well as 3 out of 6 of the anomaly component excess returns. Using high-frequency betas, the conditional CAPM is able to explain the size, value, and momentum anomalies. We further show that high-frequency betas provide more accurate predictions of future betas than those based on daily data. This result holds for both the time-series and the cross-sectional dimensions.

Item Type:Article
Refereed:Yes
Divisions:Henley Business School > ICMA Centre
ID Code:82529
Publisher:INFORMS

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