120th Congress: Who will be Senate Majority Leader? (2027)

Kalshi Elections › Senate Closes Jan 3, 2028 · $125K today · $333K traded · $212K at stake · prices read 7 min ago

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The odds

87%Chuck Schumer
  • Chuck Schumer87%▼ 3
  • Chris Van Hollen11%▲ 4
  • Brian Schatz1%
  • John Thune<1%
  • Tom Cotton<1%
  • John Barrasso<1%

How the odds have moved

Chuck Schumer: 49% on Oct 20, 87% now.

Each outcome's chance over time on Kalshi. The dots along the bottom are headlines about its subject: point at one to read it.

Why it moved

  1. Nov 7, 11 PM ETChuck Schumer: 84% → 91%
  2. Oct 26, 9 PM ETChuck Schumer: 59% → 52%

The biggest swings over the chart's period, each with the headlines about the market's subject published in the hours before it. News and odds moving together is not proof one caused the other.

Every outcome

Outcome Chance Day Bid Ask Pays Contracts
Chuck Schumer 87% ▼ 3 87¢ 88¢ $1.14 356.6K
Chris Van Hollen 11% ▲ 4 11¢ 12¢ $8.33 179.8K
Brian Schatz 1% 1¢ 2¢ $50.00 23.3K
John Thune <1% 1¢ $100.00 3.3K
Tom Cotton <1% 1¢ $100.00 1.1K
John Barrasso <1% 1¢ $100.00 794

"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 Majority Leader, Chuck Schumer, Chris Van Hollen

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Elections › Senate

Which Senate Swing States will Republicans win?

98%None
  • None98%
  • AK1%
  • All 7<1%▼ 3
125 more
  • AK, IA, KS, ME, MI, OH<1%▼ 1
  • AK, IA, KS, ME, MI, TX<1%
  • AK, IA, KS, ME, OH, TX<1%▼ 1
  • AK, IA, KS, MI, OH, TX<1%
  • AK, IA, ME, MI, OH, TX<1%
  • AK, KS, ME, MI, OH, TX<1%
  • IA, KS, ME, MI, OH, TX<1%▼ 1
  • AK, IA, KS, ME, MI<1%
  • AK, IA, KS, ME, OH<1%▼ 1
  • AK, IA, KS, ME, TX<1%▼ 1
  • AK, IA, KS, MI, OH<1%
  • AK, IA, KS, MI, TX<1%
  • AK, IA, KS, OH, TX<1%▼ 2
  • AK, IA, ME, MI, OH<1%
  • AK, IA, ME, MI, TX<1%
  • AK, IA, ME, OH, TX<1%
  • AK, IA, MI, OH, TX<1%
  • AK, KS, ME, MI, OH<1%
  • AK, KS, ME, MI, TX<1%
  • AK, KS, ME, OH, TX<1%
  • AK, KS, MI, OH, TX<1%
  • AK, ME, MI, OH, TX<1%
  • IA, KS, ME, MI, OH<1%
  • IA, KS, ME, MI, TX<1%
  • IA, KS, ME, OH, TX<1%
  • IA, KS, MI, OH, TX<1%
  • IA, ME, MI, OH, TX<1%
  • KS, ME, MI, OH, TX<1%
  • AK, IA, KS, ME<1%▼ 1
  • AK, IA, KS, MI<1%
  • AK, IA, KS, OH<1%
  • AK, IA, KS, TX<1%▼ 3
  • AK, IA, ME, MI<1%
  • AK, IA, ME, OH<1%
  • AK, IA, ME, TX<1%
  • AK, IA, MI, OH<1%
  • AK, IA, MI, TX<1%
  • AK, IA, OH, TX<1%
  • AK, KS, ME, MI<1%
  • AK, KS, ME, OH<1%
  • AK, KS, ME, TX<1%
  • AK, KS, MI, OH<1%
  • AK, KS, MI, TX<1%
  • AK, KS, OH, TX<1%
  • AK, ME, MI, OH<1%
  • AK, ME, MI, TX<1%
  • AK, ME, OH, TX<1%
  • AK, MI, OH, TX<1%
  • IA, KS, ME, MI<1%
  • IA, KS, ME, OH<1%
  • IA, KS, ME, TX<1%
  • IA, KS, MI, OH<1%
  • IA, KS, MI, TX<1%
  • IA, KS, OH, TX<1%
  • IA, ME, MI, OH<1%
  • IA, ME, MI, TX<1%
  • IA, ME, OH, TX<1%
  • IA, MI, OH, TX<1%
  • KS, ME, MI, OH<1%
  • KS, ME, MI, TX<1%
Elections › Senate

Next Senate Democratic Leader? (2028)

88%Chuck Schumer
  • Chuck Schumer88%▼ 3
  • Chris Van Hollen12%▲ 5
  • Brian Schatz1%▼ 1
10 more
  • Chris Murphy1%
  • Mark Warner<1%
  • Cory Booker<1%
  • Raphael Warnock<1%
  • Amy Klobuchar<1%
  • Patty Murray<1%
  • Tammy Baldwin<1%
  • Jon Ossoff<1%
  • Ruben Gallego<1%
  • Jacky Rosen<1%
KalshiCloses Dec 31, 2028 · $272K today
Elections › Senate

Next Senate Majority Leader?

89%Chuck Schumer
  • Chuck Schumer89%▼ 5
  • Chris Van Hollen9%▲ 4
  • Brian Schatz1%▼ 1
8 more
  • John Thune<1%
  • John Barrasso<1%
  • Steve Daines<1%
  • Tom Cotton<1%
  • Amy Klobuchar<1%
  • Patty Murray<1%
  • Cory Booker<1%
  • Mark Kelly<1%

Odds are traders' prices on Kalshi, Polymarket, ForecastEx and Crypto.com, not forecasts by 4Progressives. 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 4Progressives, 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 4Progressives index; prices of stocks, rates and coins from 4Progressives Finance. Nothing here is betting, financial or investment advice. Terms of use. How to use Predictions