TOTAL VOLUME:
$146.7b
24H VOL:
$162,970,420
24H TRANSACTIONS:
2,781,800,361
OPEN INTEREST:
$1,740,912,349
501,518
Markets across
37,286
events
MATCHED EVENTS:
2,933
PLATFORM COVERAGE:
5
Polymarket:
38%
VS.
Kalshi:
62%
Democratic Party
- Kalshi
Democratic Party - Kalshi
1W
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolves Feb 1, 2027
$
This market tracks which party will control the U.S. Senate after the 2026 elections. Currently, Kalshi gives a 62.0% probability to Democrats winning control, while Republicans are at 39.0%. The market resolves based on control of the U.S. Senate following the 2026 elections, as determined by whether the Republican Party has won control – per the resolution source. Traders should particularly watch the results of the 2026 midterm elections, as the outcome will likely be clear by the resolution date of February 1, 2027, which marks the end of the betting period for this market.
If the Democratic Party has won control of the U.S. Senate in 2026, then the market resolves to Yes. If the Republican Party has won control of the U.S. Senate in 2026, then the market resolves to Yes.
Currently, prediction market odds often reflect a different perspective than traditional polling averages. While polls aim to capture a snapshot of current voter intentions, this market aggregates the informed predictions of many individuals, potentially incorporating factors not fully captured in polls, such as fundraising, candidate quality, and evolving political dynamics. Discrepancies can arise due to differing methodologies and the incentives at play – traders in this market have financial stakes in accurately forecasting the outcome, while poll respondents may not. It’s important to consider both sources of information when forming your own view.
This market resolves around Feb 1, 2027, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the outcome will be determined by which party holds a majority of seats in the U.S. Senate following the 2026 elections. This includes any special elections that may occur before the start of the new congressional term. The final seat distribution will be verified against credible public sources to determine the winning party and settle the market.
Several signals and events could significantly impact this market between now and Feb 1, 2027. Major economic shifts, unexpected political scandals involving key candidates, and significant changes in national polling data are all potential catalysts. Primary election results will also be closely watched, as they indicate the strength of different candidates and potential shifts in party dynamics. Furthermore, any major geopolitical events or legislative developments could influence voter sentiment and, consequently, the trading activity in this market. Unexpected retirements of key Senators could also cause substantial movement.