Tse, Yiu-Kuen; Dong, Yingjie - In: Journal of Empirical Finance 28 (2014) C, pp. 352-361
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...