Number of Errors
President Senate House
2004 0
2008 1
2012 0
2014 1/3
2016 3 2 3
2018 2
2020 2.5 2
2022 0
2024 0
For the 2014 Senate election there were three betting markets used. For
two there were no errors and for one there was one, so I used 1/3.
For the 2020 Presidential election there was one tie, so I used 2.5.
Documentation
2004 and 20082012
2014
2016
2018
2020
2022
2024