Which Party Will Win the Greatest Number of Seats in the Welsh Assembly?

Smarkets

Latest Odds

Plaid Cymru
84.03%
Reform UK
21.51%
Conservative
4.76%
SmarketsApril 18th 2026

Historical Data

DateCandidateOdds
April 17th 2026Plaid Cymru84.75%
Reform UK21.74%
Conservative4.76%
April 16th 2026Plaid Cymru84.75%
Reform UK21.74%
Conservative4.76%
April 15th 2026Plaid Cymru84.75%
Reform UK21.74%
Conservative4.76%
April 14th 2026Plaid Cymru89.35%
Reform UK21.28%
Conservative4.76%
April 13th 2026Plaid Cymru89.35%
Reform UK21.74%
Conservative5.09%
April 12th 2026Plaid Cymru86.96%
Reform UK17.54%
Conservative5.41%
April 11th 2026Plaid Cymru85.47%
Reform UK21.06%
Conservative5.09%
April 10th 2026Plaid Cymru84.06%
Reform UK24.29%
Conservative5.09%
April 9th 2026Plaid Cymru83.72%
Reform UK23.81%
Conservative5.09%
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
View All Markets →
Which Party Will Win the Greatest Number of Seats in the Welsh Assembly?