Kalshi

Will Republicans win the Senate race in South Dakota?

:: Current incumbent: John Thune

⚡

Arbitrage Opportunity Detected

Price Spread20.5%

This Market

91.0%

Polymarket

70.5%

Consider buying on Polymarket at lower price

Kalshiactive

91.0%

Yes

Yes91.0%

No9.0%

24h Volume

Total Volume

$150

Open Interest

$46

Trade on Kalshi

91.0%+0.00%

Yes

High

91.0%

Low

91.0%

Open

91.0%

Kalshi•14 data points

Live

Price Momentum

0.0%

24H

0.0%

Order Book

kalshi

Best Bid

91¢

Best Ask

96¢

Spread

5¢

SizePriceTotal

10091¢100

SizePriceTotal

10096¢100

Bid Depth: 100Ask Depth: 100

2 levels

Recent Trades

kalshi

TimeSidePriceSizeTrader

Just nowSELL91¢$1Anonymous

Just nowBUY96¢$1Anonymous

Just nowSELL91¢$1Anonymous

Just nowBUY96¢$1Anonymous

Just nowSELL91¢$45Anonymous

Just nowBUY96¢$50Anonymous

Just nowSELL91¢$50Anonymous

Buys: 3Sells: 5

8 trades

Time to Resolution

1346 days

Liquidity Score

1/5

Low

Market Details

VenueKalshi

Statusactive

Outcome Typebinary

Last Updated2/26/2026, 7:33:39 PM

Market ID

SENATESD-28-R

⚡

Cross-Platform Match

Found 2 similar markets on other platforms.

Cross-Platform Comparison

Cross-Platform Prices

Outcome: “Yes”

Venue	Price	Volume	Action
KalshiCurrent	91.0%	$150	Trade
Polymarket	92.5%	$4,319	Trade

Same Market on Other Platforms

Polymarket

Will the Republicans win the West Virginia Senate race in 2026?

Will the Republicans win the Nebraska Senate race in 2026?

71%

Yes

$26,076 volumeView →