Ratwatte, A.M.; Abeyratne, M.K.; Geeganage, S.D.L.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
This study focuses on applications of wavelet based methods in estimating probability density functions (PDF) for returns and log returns of a daily recorded data set of S&P SL20 index of Colombo Stock Exchange (CSE). The ...