[US Democratic primary: Iowa winner to be] Joe Biden

Created by Cato on 2019-09-18; known on 2020-02-04; judged wrong by Andrew MacFie on 2020-02-26.

• Cato estimated 25% on 2019-09-18
• pranomostro estimated 40% on 2019-09-24
• Cato estimated 17% on 2019-10-14
• Cato estimated 25% on 2019-10-23
• Cato estimated 23% on 2019-11-08
• Cato estimated 14% on 2019-11-22
• Cato estimated 20% on 2019-12-03
• Cato estimated 20% on 2019-12-26
• Andrew MacFie   judged this prediction wrong on 2020-02-26.