Intraday periodicity adjustments of transaction duration and their effects on high-frequency volatility estimation

Yiu-Kuen Tse and Yingjie Dong

Journal of Empirical Finance, 2014, vol. 28, issue C, 352-361

Abstract: We study two methods of adjusting for intraday periodicity of high-frequency financial data: the well-known Duration Adjustment (DA) method and the recently proposed Time Transformation (TT) method (Wu (2012)). We examine the effects of these adjustments on the estimation of intraday volatility using the Autoregressive Conditional Duration-Integrated Conditional Variance (ACD-ICV) method of Tse and Yang (2012). We find that daily volatility estimates are not sensitive to intraday periodicity adjustment. However, intraday volatility is found to have a weaker U-shaped volatility smile and a biased trough if intraday periodicity adjustment is not applied. In addition, adjustment taking account of trades with zero duration (multiple trades at the same time stamp) results in deeper intraday volatility smile.

Keywords: Autoregressive conditional duration model; Intraday volatility; Time transformation; Transaction data (search for similar items in EconPapers)
JEL-codes: C41 G12 (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:empfin:v:28:y:2014:i:c:p:352-361

DOI: 10.1016/j.jempfin.2014.04.004

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