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Live prediction market odds for Which party will win the 2026 US Senate election in Kansas?. Compare prices across Kalshi and Polymarket US and Polymarket and PredictIt.

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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket / PredictIt

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Which party will win the 2026 US Senate election in Kansas?

2026-11-17

Best price · tap to trade

Roger Marshall (R)71¢1.41xKalshiAdam Hamilton (D)30¢3.33xKalshi

About This Market

Traders give Roger Marshall (R) about a 70.7% chance. Adam Hamilton (D) follows at 30.5%. Compare prices from Kalshi, Polymarket US, Polymarket, and PredictIt. The largest cross-platform price difference is 4.0 percentage points.

Traders give Roger Marshall (R) about a 70.7% chance. Adam Hamilton (D) follows at 30.5%. Compare prices from Kalshi, Polymarket US, Polymarket, and PredictIt. The largest cross-platform price difference is 4.0 percentage points.

Prediction markets on Polymarket and PredictIt are tracking which party will win the 2026 US Senate election in Kansas. The market resolves based on the official election results announced after the polls close on November 17, 2026, with odds fluctuating based on candidate announcements and campaign developments leading up to the election.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

4 platforms
OutcomeConsensus
Kalshi
Polymarket US
Polymarket
PredictIt
Best price
RM
Roger Marshall (R)ARB
71%
Kalshi71¢
Polymarket US71¢
Polymarket71¢
PredictIt67¢
Kalshi1.41x71¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
71.0%70¢71¢29¢30¢
Polymarket USPolymarket US
70.0%70¢71¢29¢30¢
PolymarketPolymarket
71.0%70¢71¢29¢30¢
PredictItPredictIt
67.0%64¢67¢33¢36¢
AH
Adam Hamilton (D)ARB
31%
Kalshi30¢
Polymarket US32¢
Polymarket30¢
PredictIt36¢
Kalshi3.33x30¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
30.0%29¢30¢70¢71¢
Polymarket USPolymarket US
32.0%31¢32¢68¢69¢
PolymarketPolymarket
29.5%29¢30¢70¢71¢
PredictItPredictIt
33.0%33¢36¢64¢67¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarketPredictItPredictIt

Best price among US-regulated venues.

Candidate Spotlight

About Roger Marshall (R)

Roger Marshall is the current U.S. Senator representing Kansas, serving since January 3, 2021. Before his Senate tenure, he was the U.S. Representative for Kansas's 1st congressional district from 2017 to 2021. As a physician and former congressman, he has a strong background in healthcare and agriculture policy.

About Adam Hamilton (D)

Adam Hamilton is the senior pastor of the Church of the Resurrection, the largest United Methodist congregation in the U.S. with approximately 25,000 members. He founded the church in 1990 and has authored over 50 books on Christianity and theology. Hamilton is running for the U.S. Senate in Kansas as a Democrat, aiming to bring his leadership experience to the national stage.

Smart Trade Router

$
¢

Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread4.0%
Platforms4
Candidates2
Leader

Roger Marshall (R)

70.7% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Which party will win the 2026 US Senate election in Kansas?

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket US.

KalshiKalshi
Primary Rule

If a representative of the Democratic party is sworn in as a Senator of Kansas for the term beginning in 2027, then the market resolves to Yes. This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.

Resolution Oracles
Kalshi Rules
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if the Democratic Party nominee wins the 2026 midterm election for US Senator from Kansas. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

Frequently Asked Questions

What is the resolution date for the Kansas Senate election market?

The market resolves on November 17, 2026, when the official election results are announced.

How do candidate announcements affect the market odds?

Candidate announcements can lead to significant shifts in market odds as traders react to perceived strengths or weaknesses of the candidates.

What platforms are tracking this Senate election market?

Polymarket and PredictIt are the platforms currently tracking the Kansas Senate election market.

What does the Which party will win the 2026 US Senate election in Kansas prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, PredictIt in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest Which party will win the 2026 US Senate election in Kansas odds?

The latest available prices are Roger Marshall (R): 71.0¢ on Kalshi, 71.0¢ on Polymarket, 67.0¢ on PredictIt, 70.0¢ on Polymarket US; Adam Hamilton (D): 30.0¢ on Kalshi, 29.5¢ on Polymarket, 33.0¢ on PredictIt, 32.0¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Prediction HuntPrediction.com coverage

Bill Graves Endorsement Triples Kansas Senate Betting VolumeTrading hit $146K on Sep 24, 3.3x the weekly norm. Marshall leads at 68% but has been outraised by Hamilton on total receipts.Sep 25, 2026

Prediction Market Track Record

Kansas Democratic Senate nominee?WONPre-event: 95%

Historical Track Record

Scroll to view past markets

Kansas Democratic Senate nominee?

Resolved

2026-08-04

WONAdam Hamilton (D)
Pre-event: 95%