If anyone is interested in spot instance pricing there was an interesting work on the subject: http://www.cs.technion.ac.il/~ladypine/spotprice-ieee.pdf http://

If anyone is interested in spot instance pricing there was an interesting work on the subject: http://www.cs.technion.ac.il/~ladypine/spotprice-ieee.pdf http://www.cs.technion.ac.il/~ladypine/spotprice-ieee.pdf In short, it's not a perfect supply-and-demand market, but it's interesting to see the details they found.