How many Senate seats will Republicans hold after the 2028 election?

Kalshi Elections › Senate Closes Feb 1, 2029 · $479 today · $479 traded · $479 at stake · prices read 26 min ago

The odds

48.5median
4062
Median 48.5Middle half 46.4 – 50.8

How the odds have moved

Median: 50 on Oct 31, 48.5 now.

The median the market implied over time and its middle half (the band), read from every strike's prices on Kalshi.

Every outcome

Outcome Chance Day Bid Ask Pays Contracts
At least 42 93% ▼ 4 88¢ 98¢ $1.02
At least 44 85% ▼ 10 80¢ 90¢ $1.11
At least 46 78% ▼ 15 73¢ 83¢ $1.20
At least 47 70% ▼ 21 65¢ 74¢ $1.35 600
At least 48 57% ▼ 20 52¢ 62¢ $1.61
At least 49 44% ▼ 19 39¢ 49¢ $2.04
At least 50 31% ▼ 19 26¢ 36¢ $2.78 200
At least 51 23% ▼ 14 18¢ 28¢ $3.57
At least 52 15% ▼ 8 10¢ 20¢ $5.00
At least 53 8% ▼ 2 5¢ 11¢ $9.09
At least 54 6% ▼ 3 1¢ 10¢ $10.00
At least 55 5% ▼ 3 9¢ $11.11
At least 56 4% ▼ 2 8¢ $12.50
At least 58 4% ▼ 1 7¢ $14.29
At least 60 3% 6¢ $16.67

"Pays" is what a $1 stake returns if that outcome happens, at the price shown (before any fees). Bid and ask are the best prices to sell and buy "Yes".

The news: Senate

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Related markets

All senate ›
Elections › Senate

Which Senate Swing States will Republicans win?

31%None
  • None31%▲ 6
  • IA10%▲ 1
  • IA, KS6%▼ 5
125 more
  • KS4%
  • All 73%▼ 1
  • AK, IA, KS3%▲ 1
  • AK, IA2%▲ 1
  • AK2%▲ 1
  • AK, IA, KS, ME, OH, TX2%▲ 1
  • ME2%
  • IA, ME1%
  • IA, KS, ME1%
  • OH1%
  • TX1%
  • IA, KS, TX1%
  • IA, TX1%
  • IA, OH1%
  • AK, KS1%
  • MI1%
  • IA, KS, ME, OH, TX1%
  • AK, IA, KS, OH1%
  • IA, KS, OH1%
  • AK, IA, KS, MI, OH, TX1%
  • AK, IA, KS, ME, TX1%
  • AK, IA, KS, TX1%
  • IA, KS, ME, TX1%
  • AK, IA, KS, ME, MI, TX1%
  • IA, KS, ME, MI, OH, TX1%
  • AK, IA, KS, OH, TX1%
  • IA, KS, MI, OH, TX1%
  • IA, KS, ME, OH1%
  • IA, KS, OH, TX1%
  • IA, KS, MI1%
  • KS, OH1%
  • IA, MI1%▼ 1
  • KS, TX1%
  • IA, KS, ME, MI, OH<1%
  • AK, IA, KS, ME<1%
  • AK, KS, TX<1%
  • AK, IA, KS, ME, MI, OH<1%
  • AK, IA, KS, ME, MI<1%
  • AK, IA, KS, ME, OH<1%
  • AK, IA, KS, MI, OH<1%
  • AK, IA, ME, MI, TX<1%
  • IA, KS, ME, MI<1%
  • IA, KS, MI, TX<1%
  • AK, IA, ME<1%
  • AK, IA, OH<1%
  • AK, IA, TX<1%
  • IA, ME, MI<1%
  • AK, TX<1%
  • IA, KS, ME, MI, TX<1%
  • AK, IA, KS, MI<1%
  • IA, ME, TX<1%
  • KS, ME<1%
  • IA, KS, MI, OH<1%
  • IA, ME, MI, TX<1%
  • AK, IA, MI<1%
  • AK, KS, ME<1%
  • IA, ME, OH<1%
  • IA, MI, OH<1%
  • IA, MI, TX<1%
  • IA, OH, TX<1%
PolymarketCloses tomorrow 6:59 PM ET · $13.6M today

Odds are traders' prices on Kalshi, Polymarket, ForecastEx and Crypto.com, not forecasts by 4Search. Prices read from the venues just now. Prices may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts. Not betting or investment advice.

Prediction-market prices are what traders pay for each outcome on Kalshi, Polymarket, ForecastEx and Crypto.com, read as the market's implied chance. They are not forecasts by 4Search, can move fast and can be wrong; they are read every few minutes and may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts at their price. News comes from the 4Search index; prices of stocks, rates and coins from 4Search Finance. Nothing here is betting, financial or investment advice. Terms of use. How to use Predictions