House
Democratic control of the House
No clear movePolymarket +1.0pp; Kalshi -0.5pp across each venue's recorded span.
No House district markets in this data.
Archive edition
Markets, not pollsPolymarketKalshi
Snapshot
The Senate books are 1.0pp apart. The books do not name different leaders in any statewide race.
Current contract prices, stated book by book.
Democratic control of the House
No clear movePolymarket +1.0pp; Kalshi -0.5pp across each venue's recorded span.
No House district markets in this data.
Democrats take the Senate
No clear movePolymarket +1.0pp; Kalshi +0.5pp across each venue's recorded span.
Republicans hold 53 of 100; 51 is a majority. The other 47 need a net 4.
The aggregate control contract does not identify which individual seats would supply that net gain.
6 Senate races, then 4 governors, each group by state, A to Z.
1 race has snapshot data but no desk note yet. They still appear in full: Michigan Senate primary.
Democratic · Candidate contract
Republican · Candidate contract
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Provisional nominee · Candidate contract
The snapshot identifies Abdul El-Sayed as a primary leader, not a settled nominee.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
Democratic · Candidate contract
Important statewide races; they do not determine control of Congress.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Democratic · Candidate contract
This venue does not price this candidate in the edition snapshot.
Republican · Candidate contract
This venue does not price this candidate in the edition snapshot.
This edition predates stable race identifiers, so it cannot be compared with another edition. Contest names drift between editions, and joining on them would report moves that never happened.
Each claim keeps the two venues separate.
Democratic-control contracts:
Polymarket 86.5%Kalshi 83.5%Democratic-control contracts:
Polymarket 44.5%Kalshi 45.5%Recorded-span changes: Polymarket +1.0pp; Kalshi +0.5pp. No clear move.
One venue only; no cross-venue comparison.
Polymarket Mike Rogers leadsKalshi Abdul El-Sayed leadsPolymarket: Abdul El-Sayed 98.5%Mike Rogers 100.0%Kalshi: Abdul El-Sayed 97.5%Mary Peltola has the widest current candidate-side venue gap, 4.5pp.
Polymarket 51.5%Kalshi 56.0%Kalshi only; no cross-venue comparison.