Here is the latest. Says it is barely better to buy than rent, except in some places, such as San Francisco where it is better to rent and Miami where it remains significantly better to buy
Just a footnote: These boilerplate stories almost never offer a breakdown of who the buyers are, always seeming to imply the stereotypical buyers – people who are looking for a house to live in.
https://finance.yahoo.com/news/housing-affordability-is-the-worst-201008334.html