Giampaoli, Iacopo; Ng, Wing Lon; Constantinou, Nick - In: Finance Research Letters 6 (2009) 1, pp. 47-53
This paper presents a novel application of advanced methods from Fourier analysis to the study of ultra-high-frequency financial data. The use of Lomb-Scargle Fourier transform, provides a robust framework to take into account the irregular spacing in time, minimising the computational effort....