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2026 election odds

What the prediction markets Polymarket and Kalshi say about each state's Senate, House and governor races, and about who controls Congress. Prices are probabilities set by traders putting money on the outcome, not our forecast.

Senate control

Democrats: Polymarket 67% · Kalshi 67%
Republicans: Polymarket 34% · Kalshi 34%

House control

Democrats: Polymarket 93% · Kalshi 92%
Republicans: Polymarket 8% · Kalshi 9%

Biggest moves in 24 hours

Mean change across the exchanges that report one. How the markets did →

VT NH MA RI CT NJ DE MD DC

Hover or tap a state to see both exchanges' odds.

Democrats favoured Republicans favoured No race or no market Darker means a bigger lead.

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Data: download the odds as JSON or CSV, free to use with a link back.

Senate races, most competitive first

Closest races

  1. Iowa R 58%
  2. Kansas R 62%
  3. Maine D 65%
  4. Texas D 67%
  5. Michigan D 70%
  6. Ohio D 72%
  7. Nebraska R 72%
  8. Alaska D 76%

Where the exchanges disagree

Polymarket and Kalshi are within 3 points on every shared race.

Senate races, 2026
StateFavouredPolymarketKalshi
Iowa Toss-up, Republicans lead (58%) D 44% R 56% D 41% R 59%Josh Turek v Ashley Hinson
Kansas Republicans favoured (62%) D 39% R 62% D 39% R 62%Adam Hamilton v Roger Marshall
Maine Democrats favoured (65%) D 66% R 35% D 64% R 36%Troy Jackson v Susan Collins
Texas Democrats favoured (67%) D 68% R 33% D 67% R 33%James Talarico v Ken Paxton
Michigan Democrats favoured (70%) D 70% R 30% D 70% R 32%Abdul El-Sayed v Mike Rogers
Ohio Democrats favoured (72%) D 72% R 28% no market
Nebraska Republicans favoured (72%) D <1% R 71% D <1% R 73%Cindy Burbank v Pete RickettsDan Osborn 27%
Alaska Democrats favoured (76%) no market D 76% R 25%
South Carolina Republicans favoured (82%) D 20% R 81% D 19% R 83%Annie Andrews v Darline Graham
Minnesota Democrats favoured (87%) D 87% R 14% D 87% R 15%Peggy Flanagan v Michele Tafoya
Mississippi Republicans favoured (89%) D 12% R 89% D 10% R 89%Scott Colom v Cindy Hyde-Smith
New Hampshire Democrats favoured (90%) D 91% R 10% D 89% R 12%Chris Pappas v John E. Sununu
Florida Republicans favoured (91%) D 9% R 91% no market
Montana Republicans favoured (91%) D <1% R 92% D <1% R 91%Alani Bankhead v Kurt AlmeSeth Bodnar 8%
Idaho Republicans favoured (92%) D <1% R 92% D 1% R 93%David Roth v Jim RischTodd Achilles 7%
South Dakota Republicans favoured (93%) D <1% R 93% D <1% R 94%Julian Beaudion v Mike RoundsBrian Bengs 6%
Louisiana Republicans favoured (94%) D 8% R 93% D 6% R 94%Jamie Davis v Julia Letlow
Arkansas Republicans favoured (95%) D 6% R 95% D 5% R 95%Hallie Shoffner v Tom Cotton
Tennessee Republicans favoured (95%) D 4% R 94% D 4% R 96%Marquita Bradshaw v Bill Hagerty
Georgia Democrats favoured (96%) D 96% R 4% D 96% R 6%Jon Ossoff v Mike Collins
North Carolina Democrats favoured (96%) D 97% R 4% D 96% R 4%Roy Cooper v Michael Whatley
Kentucky Republicans favoured (97%) R 97% D 4% R 97%Charles Booker v Andy Barr
New Jersey Democrats favoured (97%) D 97% R 3% D 97% R 4%Cory Booker v Justin Murphy
Oklahoma Republicans favoured (97%) R 97% D 3% R 98%N’Kiyla Thomas v Kevin Hern
Virginia Democrats favoured (98%) no market D 98% R 2%Mark Warner v Bert Mizusawa
New Mexico Democrats favoured (98%) R 4% D 98% R 4%Ben Ray Luján v Larry E. Marker
Wyoming Republicans favoured (98%) R 97% D 1% R 99%James Byrd v Harriet Hageman
West Virginia Republicans favoured (98%) no market D 3% R 98%Rachel Fetty Anderson v Shelley Moore Capito
Massachusetts Democrats favoured (98%) no market D 98% R 2%Ed Markey v John Deaton
Illinois Democrats favoured (99%) D 98% D 99% R 2%Juliana Stratton v Don Tracy
Oregon Democrats favoured (99%) no market D 99% R 2%Jeff Merkley v David Brock Smith
Rhode Island Democrats favoured (99%) R 2% D 99% R 2%Jack Reed v Raymond McKay
Alabama Republicans favoured (99%) no market D 2% R 99%Everett Wess v Barry Moore
Colorado Democrats favoured (99%) R 2% D 99% R 1%John Hickenlooper v Mark Baisley
Delaware Democrats favoured (100%) R 1% D 100% R 2%Chris Coons v Michael Katz

"Average" is the plain mean of the exchanges that price a party; where only one does, that exchange's price is used. Each party's price comes from its own market, so a race's two sides need not add to exactly 100%, and independents are listed beside the table row rather than on the map. On the House view, a district's two sides are scaled to add to 100% before the seats are added up, a district is a toss-up when neither party is above 60%, and the totals treat districts as independent, so they are a tally of prices and not a forecast of the chamber. Some state markets trade very little, so a price can sit still for hours. Market prices are information, not investment advice. Updated .