PredictIt is a US-based prediction market, which should work in Noth America, but is not available for many jurisdictions in Europe. [2]
[1] https://www.interwetten.com/ [2] https://en.wikipedia.org/wiki/PredictIt
https://ftx.com/en/trade/BIDEN
https://www.augur.net/ will also probably have a prediction market for it on Tuesday when they launch v2