Kalshi

Will Republicans win the Senate race in South Dakota?

:: Current incumbent: John Thune

⚡

Arbitrage Opportunity Detected

Price Spread47.0%

This Market

91.0%

Polymarket

44.0%

Consider buying on Polymarket at lower price

Kalshiactive

91.0%

Yes

Yes91.0%

No9.0%

24h Volume

Total Volume

$145

Open Interest

$45

Trade on Kalshi

91.0%+0.00%

Yes

High

91.0%

Low

91.0%

Open

91.0%

Kalshi•30 data points

Live

Price Momentum

0.0%

24H

0.0%

Order Book

kalshi

Best Bid

91¢

Best Ask

96¢

Spread

5¢

SizePriceTotal

182.1M91¢182.1M

SizePriceTotal

182.1M96¢182.1M

Bid Depth: 182.1MAsk Depth: 182.1M

2 levels

Recent Trades

kalshi

TimeSidePriceSizeTrader

Just nowSELL91¢$1Anonymous

Just nowBUY96¢$1Anonymous

Just nowSELL91¢$45Anonymous

Just nowBUY96¢$50Anonymous

Just nowSELL91¢$50Anonymous

Buys: 2Sells: 3

5 trades

Time to Resolution

1391 days

Liquidity Score

1/5

Low

Market Details

VenueKalshi

Statusactive

Outcome Typebinary

Last Updated12/22/2025, 4:40:13 AM

Market ID

SENATESD-28-R

⚡

Cross-Platform Match

Found 3 similar markets on other platforms.

Cross-Platform Comparison

Cross-Platform Prices

Outcome: “Yes”

Venue	Price	Volume	Action
KalshiCurrent	91.0%	$145	Trade
Polymarket	44.0%	—	Trade

Same Market on Other Platforms

Polymarket

Will Larry Rhoden win the 2026 South Dakota Governor Republican primary election?

56%

—View →

Polymarket

Will Player N be the Republican nominee for Senate in South Carolina?

Will Candidate I win the 2026 South Dakota Governor Republican primary election?

50%

Yes