https://primary.guide/ (betfair.com data)

% chance to win nomination:
1) Biden: 33%
2) Sanders: 29%
3) Bloomberg: 11%
4) Warren: 10%
5) Buttigieg: 5%
6) Hillary Clinton: 4%
7) Yang: 2%


https://www.predictit.org/markets/detail/3633/Who-will-win-the-2020-Democratic-presidential-nomination

% chance to win nomination:
1) Biden: 40%
2) Sanders: 31%
3) Bloomberg: 12%
4) Warren: 10%
5) Buttigieg: 7%
6) Hillary Clinton: 6%
7) Yang: 5%