I think this would be a lot of fun!
Which cities have applied as hosts, and which of these cities are serious candidates?
There are many lists out there. Some more likely than others. Would be a really fun market! https://www.archdaily.com/882078/the-top-10-predicted-cities-for-amazons-hq2-and-why-hq2-will-be-a-major-urban-catalyst-for-the-winner
There are many lists of top contenders out there and its tough to tell which cities are really more serious candidates than others - exactly why it would be a nice market to have!
just announced a list of 20 cities. http://www.businessinsider.com/amazon-reveals-hq2-candidates-2018-1