As always, whilst the entire US electorate is voting for the House, the elections will be decided in a small number of key states and districts. There is betting available on all these individual races. Also, if you’re betting on which party will win the Senate or their seat totals in the Senate, it really pays to understand, and focus your attention, on those states.
I’ve analysed the ten key states which are deemed most likely determine the Senate here. Here’s the piece for Betfair.
Also here, I list the House District in which the favourite is rated less than 65% likely on FiveThirtyEight, along with the position they reflect in each party’s target or defence lists. Here’s the piece for Betfair.