Updated Today
2026 U.S. Senate Election: Republican Odds under 40% by March 31? is currently trading at 7.6% on Polymarket, with $52,756 in total trading volume. Track live odds, price history, and compare across prediction market platforms.
Current Probability
If Yes wins
$13.16 return per $1
If No wins
$1.08 return per $1
Price Changes
Will Trump say "Ayatollah" or "Khamenei" this week? (March 15)
PM·$4.37M volIslanders vs. Senators
PM·$988.1K volSenators vs. Capitals
PM·$795.3K volTrump out as President by March 31?
PM·$8.52M volWill Trump visit China by March 31?
PM·$3.78M volTrump announces end of military operations against Iran by March 31st?
PM·$2.40M volKigali 2: Marco Trungelliti vs Marco Cecchinato
PM·$203.2K volIslanders vs. Senators: O/U 5.5
PM·$189.3K volMiami Open: Elena Rybakina vs Yulia Putintseva
PM·$154.4K volTrump out as President by June 30?
PM·$470.5K volTrump announces end of military operations against Iran by March 15th?
PM·$1.02M volWill Trump visit China by April 30?
PM·$2.34M vol
KalshiWill exactly 4 the Senate Republicans lose re-election in 2026?
Outcome: Exactly 4
KalshiTexas GOP Senate Nominee 2026
Outcome: Ken Paxton
KalshiTexas GOP Senate Nominee 2026
Outcome: John Cornyn
KalshiRepublicans Win US Senate 2026
Outcome: Republican Party
KalshiRepublicans Win Texas Senate 2027
Outcome: Republican party
KalshiSplit Congress Feb 2027: D Senate, R House
Outcome: D-House, R-Senate
