Which party will control the Senate after the midterm elections?

Smarkets

Latest Odds

Democrats
57.15%
Republicans
51.30%
SmarketsApril 18th 2026

Historical Data

DateCandidateOdds
April 17th 2026Democrats58.08%
Republicans50.20%
April 16th 2026Democrats55.98%
Republicans51.83%
April 15th 2026Democrats55.87%
Republicans54.01%
April 14th 2026Democrats55.87%
Republicans54.33%
April 13th 2026Democrats56.67%
Republicans54.33%
April 12th 2026Democrats55.46%
Republicans52.53%
April 11th 2026Democrats59.06%
Republicans53.71%
April 10th 2026Democrats58.82%
Republicans54.17%
April 9th 2026Democrats61.08%
Republicans49.76%
Odds Snapshot
2026Midterms
House
DEM87¢
+71.7vs GOP
Senate
DEM53¢
+4.5vs GOP
2028Presidential
President
Vance21¢
+1.8vs Newsom
Dem Nom
Newsom29¢
+18.0vs AOC
GOP Nom
Vance39¢
+14.6vs Rubio
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Which party will control the Senate after the midterm elections?