Incumbent Republican Sen. Roger Marshall's early re-election filing in January 2026, followed by a statewide tour in late February touting tax cuts and election security, has solidified trader consensus at 85% for a Republican victory in the November 3 general election. Kansas remains a Republican stronghold, with no Democratic U.S. Senator elected since 1932 and consistent GOP dominance in statewide races, bolstered by Marshall's $4 million cash-on-hand advantage through late 2025. A fragmented Democratic primary field of eight candidates, including state Sen. Patrick Schmidt and Christy Davis, shows modest fundraising under $200,000 each and lacks a high-profile contender like term-limited Gov. Laura Kelly. Race raters like Cook Political Report deem it Solid Republican, with primaries on August 4 potentially winnowing the field further absent major shifts.
Experimental AI-generated summary referencing Polymarket data · Updated$13,459 Vol.
$13,459 Vol.

Republican
85%

Democrat
15%
$13,459 Vol.
$13,459 Vol.

Republican
85%

Democrat
15%
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 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.
Market Opened: Oct 13, 2025, 5:28 PM ET
Resolver
0x2F5e3684c...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 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.
Resolver
0x2F5e3684c...Incumbent Republican Sen. Roger Marshall's early re-election filing in January 2026, followed by a statewide tour in late February touting tax cuts and election security, has solidified trader consensus at 85% for a Republican victory in the November 3 general election. Kansas remains a Republican stronghold, with no Democratic U.S. Senator elected since 1932 and consistent GOP dominance in statewide races, bolstered by Marshall's $4 million cash-on-hand advantage through late 2025. A fragmented Democratic primary field of eight candidates, including state Sen. Patrick Schmidt and Christy Davis, shows modest fundraising under $200,000 each and lacks a high-profile contender like term-limited Gov. Laura Kelly. Race raters like Cook Political Report deem it Solid Republican, with primaries on August 4 potentially winnowing the field further absent major shifts.
Experimental AI-generated summary referencing Polymarket data · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions