Incumbent Republican Sen. Mike Rounds holds a commanding position in the trader consensus for South Dakota's 2026 U.S. Senate race, reflecting the state's deep Republican lean—evidenced by GOP victories exceeding 20-point margins in recent presidential and statewide contests—and Rounds' strong incumbency advantage with consistently high approval ratings above 55% in voter surveys. Democrat Julian Beaudion, a former state trooper who announced last year, trails significantly in fundraising and name recognition, while no major polling has emerged to suggest competitiveness amid the June primary approaching. Absent a primary upset for Republicans, Rounds scandal, health event, or unprecedented national Democratic turnout surge in this safe Republican seat, the odds remain heavily tilted.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourVainqueur des élections sénatoriales du Dakota du Sud
Vainqueur des élections sénatoriales du Dakota du Sud

Républicain
93%

Démocrate
6%

Républicain
93%

Démocrate
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.
Marché ouvert : Oct 13, 2025, 5:04 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. Mike Rounds holds a commanding position in the trader consensus for South Dakota's 2026 U.S. Senate race, reflecting the state's deep Republican lean—evidenced by GOP victories exceeding 20-point margins in recent presidential and statewide contests—and Rounds' strong incumbency advantage with consistently high approval ratings above 55% in voter surveys. Democrat Julian Beaudion, a former state trooper who announced last year, trails significantly in fundraising and name recognition, while no major polling has emerged to suggest competitiveness amid the June primary approaching. Absent a primary upset for Republicans, Rounds scandal, health event, or unprecedented national Democratic turnout surge in this safe Republican seat, the odds remain heavily tilted.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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