Ohio prediction market news: reporting on what moved the odds on the state's races and clubs, each story tied to a dated event and to the contract it tested.
The CFTC gave exchanges 30 days from November 5, 2026 to drop state limits or explain why, which sets its reading of the impartial-access rule against the Sixth Circuit's September reading of the same rule in Kalshi's Ohio case.
Ohio Predictions staff ·
Acton's unofficial lead of 364,448 votes settled a board that had the Democratic side at 83% on both venues the night before the vote, which means the one-in-six upset the market left room for never came close.
Photo: Myselfsour2724 / Wikimedia Commons, CC BY-SA 4.0
Kalshi had Ohio State at 5% to win the national title on November 5, 2026, unchanged from the day before the rankings, which means the market had already priced the Buckeyes as an at-large team before the committee put them 12th.
Photo: Lectrician2 / Wikimedia Commons, CC BY-SA 4.0
Kulewicz leads by 28,407 votes, about two and a half times the line for an automatic statewide recount, which means Faber's concession settles the closest statewide race of the night and hands a Democrat the office defending Ohio in Kalshi's federal case.
Photo: Riis2602 / Wikimedia Commons, CC BY-SA 4.0
Kalshi and Polymarket both had Turner's side at 71% in the 10th District on November 2, 2026, which means Knickerbocker's win, called by the AP on November 5, is the second Ohio upset of the night, after Leonard's in a 15th District priced 63% Republican.
Photo: Architect of the Capitol / Wikimedia Commons, public domain
Kalshi had Brown's side at 70% on November 2, 2026, well below the 83% on Acton, which means the market priced the Senate as the closer Ohio race, and Brown's five-point unofficial margin against her nearly eight bore that out.
Photo: Office of Senator Sherrod Brown / Wikimedia Commons, public domain
The halt took effect November 2, 2026 under an October 26 agreement with the Ohio Casino Control Commission, which means the commission's promise not to enforce state gaming law against Robinhood lasts only as long as the appeals do.
Photo: Antony-22 / Wikimedia Commons, CC BY-SA 4.0
Polymarket had the Bengals at 54% to win the AFC North on November 2, 2026, up from 31% on Kalshi on October 20, which means the market now trusts Cincinnati's scoring margin over Pittsburgh's half-game lead and head-to-head win.
Photo: Antony-22 / Wikimedia Commons, CC BY-SA 4.0
Kalshi and Polymarket both had Acton's party at 83% on November 2, 2026, four points above the October 29 low, which means the market goes into Election Day treating an Acton win as roughly a five-in-six outcome.
Photo: Niagara66 / Wikimedia Commons, CC BY-SA 4.0
Polymarket had Acton's party at 79% on October 29, 2026, three points below the best price of October 23, which means traders read Suffolk's narrower four-point lead as a smaller Acton edge rather than a closing race.
Photo: JonRidinger / Wikimedia Commons, CC BY 3.0
Kalshi and Polymarket both had Brown's party at 69% on October 29, 2026, the day after Suffolk's poll, which means the venues had already priced a narrow, steady lead as a two-in-three Democratic chance.
Photo: Tim Evanson / Wikimedia Commons, CC BY-SA 2.0
Kalshi and Polymarket both had Cleveland at 3% to win the 2027 title on October 26, 2026, a third of visiting Minnesota's 9%, which means the league's new partners open their NBA era pricing the Cavaliers as a long shot.
Photo: Erik Drost / Wikimedia Commons, CC BY 2.0
A 13-point climb since October 12 left Kalshi at 82% for the Democrat on October 23, 2026, which means the venues now read Acton's five-to-seven-point leads as near-decisive while Cook, Sabato and Inside Elections still call it even.
Photo: Riis2602 / Wikimedia Commons, CC BY-SA 4.0
Kalshi had the 4-2 Browns at 8% to win the AFC North on October 20, 2026, the day after the Rays ended the Guardians' season, which leaves Ohio's open markets led by a co-leader the board still rates fourth.
Photo: Erik Drost / Wikimedia Commons, CC BY 2.0
Kalshi priced Sherrod Brown's side of the Ohio Senate race at 60% on October 12, 2026, as Trump arrived in Youngstown for Jon Husted, which means the third national Republican rally in ten days met a race the market still has Husted chasing.
Photo: Jbugos / Wikimedia Commons, CC BY-SA 4.0
Kalshi priced a Democratic win in the Ohio governor's race at 69% on October 12, 2026, four days after a poll put Ramaswamy ahead, which means the market weighs five Acton leads over a single dissenting survey.
Photo: Myselfsour2724 / Wikimedia Commons, CC BY-SA 4.0
Kalshi and Polymarket both had the Bengals at 24% to win the AFC North on October 12, 2026, which means the market treats the October 25 trip to Baltimore as the game that decides whether the division is a race at all.
Photo: Antony-22 / Wikimedia Commons, CC BY-SA 4.0
Polymarket priced the Guardians at 37% to win the ALCS on October 12, 2026, which means the market gives the AL Central champions about a one-in-three chance against a 98-win Rays team that holds home field.
Photo: Erik Drost / Wikimedia Commons, CC BY 2.0
Polymarket priced eight or more Browns wins at 46% on October 12, 2026, which means the market now treats an eight-win season as slightly less likely than not for a 3-2 team sacked eight times in East Rutherford.
Photo: Erik Drost / Wikimedia Commons, CC BY 2.0
Each story starts with a dated event anyone can check, then says what an Ohio contract did with it. The Bengals' 31-24 win in Miami Gardens on October 11, 2026 prompted a look at the AFC North price. The Browns' 17-12 loss to the Jets at MetLife Stadium in East Rutherford, New Jersey, that afternoon was read against their season win total. The Guardians' American League Championship Series opener at Tropicana Field on October 12 raised the question of their pennant price, and the Rays' series win on October 19 prompted a look at where Ohio's odds turn next. On the ballot, a poll published October 8 that broke a run of five surveys led by the Democratic nominee was set against the governor market, and a presidential rally in Youngstown on October 12 against the Senate contract.
The election calendar drove much of it through the fall, from the opening of early voting on October 6, 2026 to the close of the polls at 7:30 p.m. on November 3. Since then the governor, Senate and House contracts have followed the media calls and the count: the Associated Press called the governor's race for Amy Acton and the Senate special election for Sherrod Brown on election night, and the official canvass, which the Secretary of State says is completed about three weeks after the election, comes next. Before the vote the news was polls with a published method, debates, campaign visits and money moving on one exchange but not the other. The sports file follows the schedules: each NFL Sunday reprices the AFC North and the Bengals' and Browns' win totals until the regular season ends January 10, 2027, and the Guardians' postseason, which repriced their pennant contract game by game, ended in the American League Championship Series on October 19, 2026. In court, the Sixth Circuit affirmed on September 25, 2026 the denial of Kalshi's request for a preliminary injunction against Ohio's gambling law and sent the case back; the next filing, any order and any Ohio Casino Control Commission action run as stories the day they appear, then on the legal status page.
A poll reports what several hundred likely voters said; a price reports what traders will put money behind, and it keeps moving after the poll is out. Where the two part ways, the gap is the story. Each article carries the figure it was written on, dated and named with the exchange that quoted it. Where Kalshi and Polymarket both quote a line, that figure is the cheaper Yes of the two, never a blend. The contract's own page keeps the current price. Newer numbers for the same argument update the article at its address, with a note of what changed; a new event gets a new article. Once the event behind a story is over, the article stays up as a dated account of what the market believed. No story tells a reader which side to take.
An event with a date and a public source that moves or tests an Ohio contract: a game result such as the Bengals' 31-24 win in Miami Gardens on October 11, 2026, a poll with a published method, a campaign rally, a court order or a letter from the Ohio Casino Control Commission. A day on which nothing happened is not a story.
The contracts on Ohio's November 3, 2026 races for governor, the U.S. Senate seat and the U.S. House districts, and the season and title contracts on the Browns, Bengals, Guardians, Cavaliers, Blue Jackets, Crew, FC Cincinnati and Ohio State football.
On the winning party. Kalshi's governor contract pays on the party of the person inaugurated after the 2026 election and its Senate contract on the party of the senator sworn in, while Polymarket's governor contract resolves once the Associated Press, Fox News and NBC all call the race, or on official certification if they do not.
This site draws no conclusion on that. The legal status page sets out what Ohio's statutes, the Ohio Casino Control Commission and the courts have said about each exchange as of the date it states, starting with the Commission's March 31, 2025 letter to Kalshi; nothing here is legal advice.
A joint status report. The Southern District of Ohio stayed the case on March 30, 2026 and ordered the parties to file one within seven days after the Sixth Circuit issues its mandate on the September 25, 2026 decision; the legal status page lists each filing once it is docketed.