Interesting that in both cases it's the establishment candidate that is preferred to win. I bet (but not really, though) that in 2008 odds were much in favor of Clinton, too. I guess we'll just have to see if political betting is a good way to predict what will happen.
you're right. at the beginning Clinton was the clear favorite. His odds went above 50:50 in February after a few successes successes against Clinton and kept rising until Clinton stepped back