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Kansas Senate Election Winner

Polymarket
NovDecJanFebMarAprMayJunJulAugSepOct0%25%50%75%100%
Source: polymarket.foo
Roger Marshall (R)52%
Adam Hamilton (D)48%

$1,510,454 Vol.

This market will resolve according to the winner of the 2026 midterm Kansas U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.Recent polling averages place the Kansas Senate race in a toss-up, with Adam Hamilton and incumbent Roger Marshall separated by just one to three points across multiple surveys through late October. Hamilton’s background as founding pastor of the state’s largest United Methodist congregation, combined with his former Republican registration and emphasis on an affordability agenda, has broadened his appeal and enabled substantial gains since early September. Marshall retains advantages from incumbency, Trump endorsement, and focus on agriculture and traditional issues, yet faces headwinds from low favorability tied to past patient lawsuits. With Election Day on November 3, shifts in rural turnout, suburban margins, or any final-week developments could widen the gap before resolution.

This market will resolve according to the winner of the 2026 midterm Kansas U.S. Senate election, inclusive of any run-offs.

A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.

Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.

The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party.

The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
This market will resolve according to the winner of the 2026 midterm Kansas U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Volume
$1,510,454
End Date
Nov 3, 2026
Market Opened
Oct 13, 2025, 5:28 PM ET

Beware of external links.

Rayse
Rayse
share discover GIF
Voland6777
Omg, it's coming
Bperil
Bperil
Black And White Flip GIF by Rodney Dangerfield
JakeMastersun
Marshall is more likley to loose than hinson dont know why this was ever so low
Kansas will go blue, I think it's beyond question. It's been the modal case since Hamilton began doing a Talarico run of consecutive poll leads When you look back to races like Jamie Harrison's or Beto O'Rourke it's important to understand that the Democrat never really lead for any period of time in those races. If Kansas really were favoured to the Republican the polls would look more like South Carolina currently
@hdtomo
I suppose more accurately it's been beyond question since Marshall began larping low gas prices
Rayse
Rayse
I think people are slowly realizing that Hamilton has almost as high a chance as Talarico
drachenlord1710
@Rayse
yeah but nobody givesa shit about bmfuck-nowhere Kansas, so people didnt notice
AnEggplant
AnEggplant
(Still underpriced)
dPredictor
voter polls show Hamilton leading by 2%, not Marshall leading by 18%, this market is a GOP fairytale
Okay so Kansas MIGHT just go blue
dPredictor
"The average cost of gasoline has been less under President Trump than it was under Joe Biden. You can look it up, you can fact-check me as well."

Frequently Asked Questions

"Kansas Senate Election Winner" is a prediction market on Polymarket with 2 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Roger Marshall (R)" at 52%, followed by "Adam Hamilton (D)" at 48%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 52¢ implies that the market collectively assigns a 52% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Kansas Senate Election Winner" has generated $1.5 million in total trading volume since the market launched on Oct 13, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Kansas Senate Election Winner," browse the 2 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Kansas Senate Election Winner" is "Roger Marshall (R)" at 52%, meaning the market assigns a 52% chance to that outcome. The next closest outcome is "Adam Hamilton (D)" at 48%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Kansas Senate Election Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.
icon for Kansas Senate Election Winner
Kansas Senate Election WinnerRoger Marshall (R)·Yes

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    Kansas Senate Election Winner Predictions & Odds 2026 | Polymarket