House
Democratic control of the House
Toward the DemocratsPolymarket +2.0pp; Kalshi +1.5pp across each venue's recorded span.
No House district markets in this data.
Archive edition
Markets, not pollsPolymarketKalshi
Snapshot
The Senate books agree exactly at 45.5% and move in opposite recorded directions. They name different leaders in Ohio Senate.
Current contract prices, stated book by book.
Democratic control of the House
Toward the DemocratsPolymarket +2.0pp; Kalshi +1.5pp 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.
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 · Party contract
This contract prices the Democratic party, not Troy Jackson personally.
Republican · Party contract
This contract prices the Republican party, not Susan Collins personally.
Democratic · Party contract
This contract prices the Democratic party, not Abdul El-Sayed personally.
Republican · Party contract
This contract prices the Republican party, not Mike Rogers personally.
Democratic · Party contract
This contract prices the Democratic party, not Sherrod Brown personally.
Republican · Party contract
This contract prices the Republican party, not Jon Husted personally.
Republican · Party contract
This contract prices the Republican party, not Ken Paxton personally.
Democratic · Party contract
This contract prices the Democratic party, not James Talarico personally.
Important statewide races; they do not determine control of Congress.
Democratic · Party contract
This contract prices the Democratic party, not Keisha Lance Bottoms personally.
Republican · Party contract
This contract prices the Republican party, not Rick Jackson personally.
Democratic · Party contract
This contract prices the Democratic party, not Aaron Ford personally.
Republican · Party contract
This contract prices the Republican party, not Joe Lombardo personally.
Republican · Party contract
This contract prices the Republican party, not Vivek Ramaswamy personally.
Democratic · Party contract
This contract prices the Democratic party, not Amy Acton personally.
Republican · Provisional nominee · Party contract
This contract prices the Republican party, not Tom Tiffany personally.
The snapshot identifies Tom Tiffany as a primary leader, not a settled nominee.
This nomination field sits beneath Tom Tiffany; it is not a second governor race.
Democratic · Provisional nominee · Party contract
This contract prices the Democratic party, not Francesca Hong personally.
The snapshot identifies Francesca Hong as a primary leader, not a settled nominee.
This nomination field sits beneath Francesca Hong; it is not a second governor race.
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 88.5%Kalshi 84.5%Democratic-control contracts:
Polymarket 45.5%Kalshi 45.5%Recorded-span changes: Polymarket +1.0pp; Kalshi -0.5pp. No clear move.
The books name different leaders.
Polymarket Sherrod Brown leadsKalshi Jon Husted leadsPolymarket: Sherrod Brown 51.5%Jon Husted 49.5%Kalshi: Sherrod Brown 48.5%Jon Husted 51.5%Abdul El-Sayed has the widest current candidate-side venue gap, 5.0pp.
Polymarket 59.5%Kalshi 54.5%Kalshi only; no cross-venue comparison.