January 30, 2005 - June 6, 2021. You can try sampling different time periods by downloading data from Yahoo Finance. I may need to make the code more robust be

January 30, 2005 - June 6, 2021. You can try sampling different time periods by downloading data from Yahoo Finance. I may need to make the code more robust because there is some data that I hard-coded just for the dates I selected.