Live prediction market odds for South Dakota Senate winner?. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-11-03
Polymarket and Kalshi are tracking the South Dakota Senate winner for the upcoming 2026 elections. This race could influence the balance of power in the Senate, making it a focal point for both parties as they strategize their campaigns and voter outreach efforts.
Democrat is priced at 5.7% implied probability for the “South Dakota Senate winner” event. A 4.0% cross-platform spread signals an active arbitrage window.
Key factors include candidate popularity, fundraising capabilities, and national political trends. Polling data and voter sentiment will also play a critical role leading up to the election.
Prediction markets aggregate bets from participants, reflecting their expectations about the outcome. As new information emerges, such as debates or endorsements, odds can fluctuate significantly.
Control of the Senate is at stake, which can impact legislative priorities and the confirmation of judicial appointments. A shift in power could lead to significant changes in policy direction.
South Dakota Senate winner is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Democrat leads at 6% implied probability, making it the market favorite.
Democrat currently leads at 6% implied probability. The 4.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
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Democrat
5.7% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf a representative of the Republican party is sworn in as a Senator of South Dakota for the term beginning in 2027, then the market resolves to Yes.
PolymarketThis market will resolve according to the winner of the 2026 midterm South Dakota U.S. Senate election, inclusive of any run-offs. 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.
