Practice Problem #7
Calculate the 2018 realized annual return for WMT given the following data:
Date Price Dividend
January 1, 2018 102.30
May 1, 2018 98.02 1.23
August 1, 2018 100.83 1.30
December 31, 2018 103.55
Following 2018, WMT's annual returns were 4.5%, 10.6%, -8.3% respectively.
Calculate variance and standard deviation of WMT's stock from 2018-2021.