You should read the author's next post where he pokes a bit of fun at his metric: http://www.philosophicaleconomics.com/2013/12/valuation-and-returns-adventure

You should read the author's next post where he pokes a bit of fun at his metric: http://www.philosophicaleconomics.com/2013/12/valuation-and-returns-adventures-in-curve-fitting/ http://www.philosophicaleconomics.com/2013/12/valuation-and-...