Resolves according to president/senate that expanded it

Per Manifold Markets prediction market, Democrats and Republicans are most likely. See the market for live updates (5 traders, as of May 19, 2026).

If the Supreme Court has more than 9 justices, was it because of democrats or republicans?

[ACX 2026] Will the composition of the US Supreme Court change in 2026?

16% chance

Will the next justice to leave the Supreme Court be a conservative?

-7% 1d68% chance

If a Democrat wins the presidency in 2028, will the Supreme Court have more than nine justices before Jan 20, 2033?

27% chance

If/When the US adds more (11 total)Supreme Court justices which party will do it

If a Republican wins the presidency in 2028, will the Supreme Court have more than nine justices before Jan 20, 2033?

3% chance

What will be the Republican-Democrat balance of US Supreme Court justices by the 2029 inauguration?

Will the balance of power in the Supreme Court switch to the democrats before more seats are added to the Supreme Court

28% chance

Will the US supreme court contain more than 9 justices before 2030?

25% chance

Will there be more than 9 Justices in the US Supreme Court on Jan 1, 2030?

20% chance

Will the next Supreme Court justice be appointed by a Democrat?

28% chance