Nothing fancy here. The charting software does it automatically. I just went to 12/2016 and took the stock price at that time. I know there has been at least one split in the past 4 years, so I mentioned it would be split adjusted.
Thank you, Hoghead7, for your constant due diligence and your willingness to share it. You are in the process of keeping a lot of us on the road to riches.