I found an article on the topic [0] quite interesting. Taking its mapping of ratio to future returns and using the latest data [1], we should expect ~2% return

I found an article on the topic [0] quite interesting. Taking its mapping of ratio to future returns and using the latest data [1], we should expect ~2% return over the next 10 years. [0]: http://www.philosophicaleconomics.com/2013/12/the-single-greatest-predictor-of-future-stock-market-returns/ http://www.philosophicaleconomics.com/2013/12/the-single-gre... [1]: https://fred.stlouisfed.org/graph/?g=qis https://fred.stlouisfed.org/graph/?g=qis