Live prediction market odds for Blue wave in 2026?. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-11-30
Polymarket and Kalshi are tracking the potential for a blue wave in the 2026 elections. The outcome will influence legislative control and policy direction, making it a focal point for political analysts and voters alike.
Will Democrats hold 218 or more seats in the House AND hold 49 or more seats in the Senate is priced at 79.5% implied probability for the “Blue wave in 2026” event. Platforms are tightly aligned at a 1.0% spread.
A blue wave refers to a significant electoral victory for the Democratic Party, potentially leading to increased control in Congress. This could result in a shift in legislative priorities and policy implementation.
Polling data provides insights into voter sentiment and party support leading up to the elections. Changes in polling can lead to fluctuations in prediction market odds as analysts adjust their expectations.
Key factors include economic conditions, voter turnout, candidate popularity, and major national issues at the time. These elements can significantly sway public opinion and ultimately impact election results.
Blue wave in 2026 is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Will Democrats hold 218 or more seats in the House AND hold 49 or more seats in the Senate leads at 79% implied probability, making it the market favorite.
Will Democrats hold 218 or more seats in the House AND hold 49 or more seats in the Senate currently leads at 79% implied probability. Platforms were tightly aligned at a 1.0% spread, suggesting broad consensus on the odds.
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Will Democrats hold 218 or more seats in the House AND hold 49 or more seats in the Senate
79.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf ALL of the following occur: Democrats hold 218 or more seats in the House after the 2026 midterms AND Democrats hold 49 or more seats in the Senate after the 2026 midterms, then the market resolves to Yes.
This is a combination market requiring ALL specified outcomes to occur for the contract to pay out. If ANY single component resolves to No or becomes impossible, the entire contract immediately resolves to No. Each component is resolved according to its corresponding Kalshi ruleset: "Will Democrats hold 218 or more seats in the House?" uses SEATSCONGRESS, "Will Democrats hold 49 or more seats in the Senate?" uses SEATSCONGRESS. For economic data releases, resolution uses the first officially released value (not preliminary or revised estimates unless specified). All conditions must be satisfied within the specified time period. This market will resolve based on the composition of the U.S. House of Representatives and the Senate on February 1, 2027. Individuals caucusing with either party will be included with them (e.g. an Independent who caucuses with a party, like Vermont Senator Bernie Sanders who caucuses with the Democrats, would be counted as a Democrat).
PolymarketThis market will resolve to “Yes” if both of the following conditions are met as a result of the 2026 midterm elections: - Democrats hold 218 or more seats in the House - Democrats hold 49 or more seats in the Senate Otherwise, this market will resolve to “No”. This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met. The full rules for this market can be found here: https://polymarket-upload.s3.us-east-2.amazonaws.com/BlueWave.pdf
