Which party will control the Senate after the midterm elections?

Smarkets

Latest Odds

Republicans
58.48%
Democrats
43.86%
SmarketsMarch 4th 2026

Historical Data

DateCandidateOdds
March 3rd 2026Republicans58.48%
Democrats44.06%
March 2nd 2026Republicans59.17%
Democrats45.45%
March 1st 2026Republicans57.80%
Democrats42.74%
February 28th 2026Republicans57.80%
Democrats43.11%
February 27th 2026Republicans57.80%
Democrats43.87%
February 26th 2026Republicans56.82%
Democrats43.86%
February 25th 2026Republicans57.14%
Democrats44.25%
February 24th 2026Republicans57.80%
Democrats43.86%
February 23rd 2026Republicans58.83%
Democrats45.36%
📊ODDS SNAPSHOT
2026Midterms
House
DEM83¢
+62.1vs GOP
Senate
GOP57¢
+12.5vs DEM
2028Presidential
President
Vance22¢
+2.9vs Newsom
Dem Nom
Newsom30¢
+18.8vs Harris
GOP Nom
Vance46¢
+21.3vs Rubio
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Which party will control the Senate after the midterm elections?