MacroVoter House Map Senate Map Governors Map Projected Seats: 52D - 48R 2026 Arkansas Senate Election Odds, Polls & RatingsArkansas U.S. Senate seat. Republican-held seat. Republicans 93% to Democrats 7%. Rated Solid R. R+10 in latest polls (Hallie Shoffner vs Tom Cotton). Live odds from Polymarket and Kalshi, updated every minute. × − +