2026 midterms · South Dakota
South Dakota 2026 Election Odds
Live
Kalshi and
Polymarket odds for South Dakota's 2026 races — Senate and governor and 1 House district. Election Day is November 3, 2026.
South Dakota Senate
Safe R
Kalshi
- Mike Rounds95%
- Brian Bengs6%
Polymarket
- Mike Rounds95%
- Brian Bengs5%
Venue gap 0.3 ptsCompare odds → South Dakota Governor
Safe R
Kalshi
- Larry Rhoden97%
- Dan Ahlers4%
Polymarket
- Larry Rhoden97%
- Dan Ahlers2%
Venue gap 0.5 ptsCompare odds → South Dakota House races
Every South Dakota district with a market on either venue.
South Dakota House races| District | Rating | Kalshi favourite | Polymarket favourite | Gap | Link |
|---|
| SD-AL | Safe R | Marty Jackley97% | Marty Jackley95% | 1.8 pts | Odds → |
|---|
South Dakota midterms: common questions
- Who will win the South Dakota Senate race in 2026?
- Mike Rounds (Republican) is favoured to win the South Dakota Senate race, at 95% on Kalshi and 95% on Polymarket.
- Who will win the South Dakota governor race in 2026?
- Larry Rhoden (Republican) is favoured to win the South Dakota governor race, at 97% on Kalshi and 97% on Polymarket.
- Which South Dakota House races are competitive in 2026?
- Prediction markets don't rate any South Dakota House district as a toss-up or lean race right now.