Trader consensus heavily favors Republicans at 93.5% to win the Arkansas Senate seat in 2026, driven by the state's entrenched Republican dominance—Donald Trump carried it by 28 points in 2020, and no Democrat has held the seat since the 1990s. Incumbent Sen. Tom Cotton (R) announced his re-election campaign in April 2024 amid favorable early polling showing him leading hypothetical Democratic opponents by 30+ points statewide. With Arkansas' Republican trifecta, strong incumbency advantage, and no credible Democratic challengers emerging, traders see minimal path-to-victory for Democrats absent a major scandal, Cotton's unexpected withdrawal, health issues, or overwhelming national blue wave. Primaries are slated for March 2026, with the general election in November.
Experimental AI-generated summary referencing Polymarket data · UpdatedArkansas Senate Election Winner
Arkansas Senate Election Winner

Republican
94%

Democrat
6%

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...Resolver
0x2F5e3684c...Trader consensus heavily favors Republicans at 93.5% to win the Arkansas Senate seat in 2026, driven by the state's entrenched Republican dominance—Donald Trump carried it by 28 points in 2020, and no Democrat has held the seat since the 1990s. Incumbent Sen. Tom Cotton (R) announced his re-election campaign in April 2024 amid favorable early polling showing him leading hypothetical Democratic opponents by 30+ points statewide. With Arkansas' Republican trifecta, strong incumbency advantage, and no credible Democratic challengers emerging, traders see minimal path-to-victory for Democrats absent a major scandal, Cotton's unexpected withdrawal, health issues, or overwhelming national blue wave. Primaries are slated for March 2026, with the general election in November.
Experimental AI-generated summary referencing Polymarket data · Updated



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