The betting market of PredictIt has Senator Kamala Harris (D-CA) as the overwhelming favorite to be Biden’s running mate pick.
Her probability currently matches that of all other contenders combined.
Other top contenders include Val Demings, Susan Rice and Tammy Duckworth.
Elizabeth Warren, the only white candidate on the list is in 5th.
Biden has said he expects to make his announcement around early August.
The Democratic National Convention is scheduled for August 17-20th in Milwaukee so he would likely need a healthy amount of lead time in making the final decision.
Meanwhile, betters on PredictIt currently give Biden a big advantage over Trump are are predicting him to win most key swing states.