Which party will control a majority of seats as a result of the 2018 US House of Representatives elections? Note: A majority of seats requires either party to win at least 218 of the total 435 House of Representatives seats in contention. Independent or any other party Representatives caucusing with either the Democrats or Republicans will NOT count for the purposes of this market. Unmatched bets will not be cancelled at any point up until the stated time on the day of election when this market will be, turned in-play. Thereafter, the market will not be actively managed and users are responsible for their positions.