Polymarket
KalshiOhio's 8th District: Warren Davidson Held the Seat, and the Count Ran Closer Than the Board Suggested
Warren Davidson won Ohio's 8th District race. NBC News projected the Republican incumbent the winner over Democrat Vanessa Enoch. With every Election Day precinct reporting, the Ohio Secretary of State's unofficial results, read at 9:52 a.m. Eastern on November 5, 2026, gave Davidson 168,689 votes to Enoch's 154,828, a margin of 13,861 in a two-candidate race, far narrower than the Safe and Solid ratings three forecasters had given the seat. The venues had priced the hold with a little room: on November 2, 2026, Polymarket had the Republican contract at 93% against Kalshi's 94%, and Polymarket had the Democratic contract at 7% against Kalshi's 8%, roughly a one-in-fourteen chance for Enoch. On November 4, 2026 Kalshi and Polymarket both quoted the Republican contract at 100%. The count is unofficial until the Secretary of State certifies it after the official canvass.
The Ohio 8th District race of 2026, Republican Warren Davidson against Democrat Vanessa Enoch, was the Ohio House contest the venues thought about least, and the closing board reflects that: the market rests on Davidson's incumbency, his money and a district three of the four major forecasters rated as safe, and it treated an Enoch win as a long shot while leaving a little more room for one than it did in the state's safest seats. It was an Ohio question because the 8th was decided on the congressional map the Ohio Redistricting Commission passed on October 31, 2025, across Hamilton, Butler, Preble, Darke and Miami counties, on Tuesday, November 3, 2026. The live board above carries the final prices from Kalshi and Polymarket.
Who Was on the Ohio 8th District Ballot
The ballot was two names. The Butler County Board of Elections' updated notice for the November 3, 2026 general election, the version posted 46 days out with pages dated October 2, 2026, lists Warren Davidson (Republican) and Vanessa Enoch (Democratic) for Representative to Congress in the 8th District, and no third candidate. The Hamilton County Board of Elections' candidate list records both candidacies as certified for the general election in the same district.
The incumbent was on the ballot. The Clerk of the House member list, published October 1, 2026, records Warren Davidson, a Republican with Troy as his listed home town, as the member for the 8th District; he served in the previous Congress, and his current term began on January 3, 2025 after the November 5, 2024 election.
The lines were the part of the race that changed. The Butler County notice describes the district's precincts as "Hamilton County (majority), Butler County (Part), Preble, Darke, Miami (part)", which puts the 8th across five counties in the southwest corner of the state, and the Hamilton County list confirms that county votes in it. Everything in this race happened on that map for the first time.
Why the Ohio 8th District Price Leaned Republican
At 6:38 p.m. Eastern on November 2, 2026, Polymarket had the Republican contract at 93% against Kalshi's 94%, and Polymarket had the Democratic contract at 7% against Kalshi's 8%. That made an Enoch win roughly a one-in-fourteen chance on the cheaper venue, the same price both venues showed on October 23, 2026, so the board did not move in the campaign's final ten days.
What the price is saying is that the market treats the 8th as a Republican seat by default and the incumbent as the reason. By Wikipedia's ratings table, the Cook Political Report and Inside Elections rate the race Solid Republican and Sabato's Crystal Ball Safe Republican, and none of the three rating tables 270toWin carried on November 2, 2026 lists the 8th among its competitive seats. The one dissent was mild: Decision Desk HQ had rated the race Likely Republican since July 14, 2026. The price agreed with all four in direction and stopped short of the safe ratings in degree.
The money was one reason the raters were confident. The Federal Election Commission's candidate totals through the pre-general report, which closed on October 14, 2026, show Davidson with about $757K raised in the cycle and about $298K in cash. The same file shows Enoch's committee with under $1K in cash, a balance that left her campaign without the means to answer a funded incumbent in the final three weeks.
The comparison with the other Ohio boards showed how far short of the ceiling the price stopped, which was the whole of the market's hesitation. On November 2, 2026 Kalshi had the 6th District's Republican side at 98%, and Polymarket had the 13th District's Democratic side at 97%. The 8th, at 93%, sat a few points below those seats the venues treated as decided and well above the race they treated as contested, the 15th, where the leading side was at 63% on Polymarket. The structure of the race, as the market read it, was a safe seat with an allowance for the year.
The allowance had a source. Marist's statewide poll of October 15 to October 18, 2026 had Ohio likely voters choosing the Democrat on the generic congressional ballot by 49 to 47, and 40% describing their vote for Congress as mainly a vote against President Trump. A two-point statewide edge for the other party was not a threat to a seat the forecasters rated safe, but it was a reason not to price the seat at the ceiling.
The Trading Behind the Ohio 8th District Price
This was one of the thinnest Ohio House boards the venues listed. Kalshi had matched about 3,180 contracts on the district by November 2, 2026 and Polymarket about $19.1K, each venue counted in its own unit; the 6th District, the next smallest of the boards read that evening, had about 10,800 contracts on Kalshi, and the 13th about $47.3K on Polymarket. In the 24 hours before the November 2 read, Kalshi recorded 160 contracts and Polymarket none.
The split inside those small totals leaned toward the challenger on both venues: about $10.3K of Polymarket's volume is on Enoch's side against about $8.8K on Davidson's, and on Kalshi about 1,960 contracts sit on the Democratic side against about 1,220 on the Republican. Kalshi's total had almost doubled since October 23, 2026, when it stood at about 1,670 contracts, and the new money had gone mostly to the long shot without moving the price. A price built on so little trading was a reasonable summary of what traders believed, but it was not a price many people had paid to defend, and a single determined buyer could have moved it several points.
The Case Against the Ohio 8th District Read
The strongest case against the market ran in two directions at once. The first was that the 7% Polymarket gave Enoch on November 2, 2026 was too generous to the challenger: three of the four forecasters rated the seat safe, the challenger had almost no cash, nothing in the public record pointed to a close race, and the gap between this board and the 6th District's said more about how little had been traded here than about any real risk to Davidson. A reader who held that view expected the price to settle at the ceiling once the count started.
The second was that the same 7% was too stingy. The district runs on new lines that reach well into Hamilton County, Marist's poll of October 15 to October 18, 2026 found Ohio likely voters leaning slightly toward Democrats on the generic ballot, Decision Desk HQ never rated the seat safe, and a board this thin had not been tested by anyone with a strong view. On that reading the price was an echo of the old map rather than a judgment about the new one. The answer the price gave was to sit between the two, which is what a market with little money in it tends to do. The count leaned toward the second case without proving it: Davidson held the seat, but by about 4.3 points in the unofficial results, a margin closer than the Safe and Solid ratings suggested, while the price's favorite still won.
What Changes the Ohio 8th District Read
The read would be wrong now only if the official count reversed the unofficial one, and a margin of 13,861 votes leaves that a long way off. The dated, observable steps still ahead:
• Outstanding ballots: provisional ballots, and overseas and military ballots that arrive by mail within four days of Election Day, are counted in the official canvass; on November 5, 2026 the Secretary of State listed 98,369 provisional and 3,779 overseas and military ballots outstanding statewide, spread across all fifteen districts.
• The canvass: the Secretary of State says the official canvass is completed about three weeks after the election and that results are unofficial until it certifies them; no certification date is published on the results page.
• A recount: Ohio Revised Code 3515.011 orders an automatic recount in a district race only when the margin is under one-half of one percent of the total vote, and the unofficial margin here is about 4.3 points.
• Settlement: Polymarket resolves on a consensus of credible reporting about the winner's party; Kalshi pays on the party of the member sworn in for the term beginning in 2027, lists an expected expiration of January 4, 2027, and allows accelerated determination on a consensus media projection.
When the Ohio 8th District Market Resolves
Kalshi lists the race on its KXHOUSERACE-OH08-26 event: the Republican contract resolves Yes if the House member sworn in for OH-08 for the term beginning in 2027 is a member of the Republican Party, the Democratic contract on the same test for the Democratic Party, with an expected expiration of January 4, 2027, a latest expiration of November 3, 2027 and eligibility for accelerated determination after a consensus of media organizations projects the winner. Kalshi's House terms define that consensus as at least four of eight named news organizations calling the race, with none contradicting the call. Kalshi did not wait for the swearing-in: it settled both OH-08 contracts on that early clause at 12:22 a.m. Eastern on November 4, 2026, the Republican one at Yes. Polymarket resolves on the party of the candidate who wins the OH-08 seat in the November 3, 2026 election, as shown by a consensus of credible reporting, with the Federal Election Commission's official results as the fallback if there is ambiguity, and reads party from the ballot listing at the time every 2026 House race has been conclusively called.
With only two candidates on the ballot, the practical difference between the venues is timing: Polymarket can pay out within days of the vote, and Kalshi formally waits for the swearing-in unless a media consensus triggers its early clause first, as it did shortly after midnight. Each venue's own rules govern its contracts.
Related Ohio 8th District and House Markets
The Ohio 6th District was the Republican seat the venues priced most firmly, and the Ohio 10th District and the Ohio 15th District were the Republican seats they treated as contested; each page now carries its own count. Hamilton County voters also chose in the Ohio 1st District, and the Ohio governor's race and the Ohio Senate special election were on every ballot in the state. Every race is on the elections hub.
