Incumbent Republican Tom Cotton holds a commanding position in the 2026 Arkansas U.S. Senate race due to the state's consistent Republican voting patterns, including a 30-point Trump margin in 2024, combined with Cotton's established record since 2015 and primary dominance. Democrat Hallie Shoffner, a farmer and organizer, secured her nomination but faces structural headwinds in fundraising and name recognition. Recent polling shows Cotton ahead in most surveys, though one late August poll placed the race within the margin of error, reflecting limited shifts in voter sentiment. Trader consensus on Republican victory aligns with historical base rates for safe Republican seats. Scenarios that could narrow the gap include sustained national Democratic momentum boosting turnout, an unforeseen scandal or health event affecting Cotton, or unusually effective challenger messaging on pocketbook issues in rural areas.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedArkansas Senate Election Winner
$16,858 Vol.
$16,858 Vol.

Republican
94%

Democrat
6%
$16,858 Vol.
$16,858 Vol.

Republican
94%

Democrat
6%
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, 5:35 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 Tom Cotton holds a commanding position in the 2026 Arkansas U.S. Senate race due to the state's consistent Republican voting patterns, including a 30-point Trump margin in 2024, combined with Cotton's established record since 2015 and primary dominance. Democrat Hallie Shoffner, a farmer and organizer, secured her nomination but faces structural headwinds in fundraising and name recognition. Recent polling shows Cotton ahead in most surveys, though one late August poll placed the race within the margin of error, reflecting limited shifts in voter sentiment. Trader consensus on Republican victory aligns with historical base rates for safe Republican seats. Scenarios that could narrow the gap include sustained national Democratic momentum boosting turnout, an unforeseen scandal or health event affecting Cotton, or unusually effective challenger messaging on pocketbook issues in rural areas.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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