TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 9, 9:59 AM EST
Kalshi
This event examines the relative performance of the two major U.S. political parties in congressional elections over a set timeframe. It considers whether the Democratic Party's lead over the Republican Party in generic ballot polling reaches a specified level by the conclusion of the period.
If the VoteHub 2026 generic ballot margin (D − R, time-weighted) is above 8.9% at 10:00 AM ET on Oct 9, 2026, then the market resolves to Yes.
Currently, prediction market odds offer a distinct perspective compared to traditional polling averages. While polls attempt to capture a snapshot of voter preference at a given time, this market reflects what traders believe will *actually* happen, incorporating a wider range of information and anticipating potential shifts in voter behavior. Discrepancies between the two can be valuable, suggesting areas where polls might be over- or under-estimating support for either party. It's important to consider both sources of information when evaluating the state of the race.
On Kalshi, this market is priced as a probability, with the current price representing the market’s assessment of the likelihood of Democrats being up in the generic ballot. Traders buy and sell contracts, and the price fluctuates based on supply and demand. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The higher the price, the greater the perceived chance of Democrats leading. This dynamic pricing mechanism allows the market to aggregate information from a diverse group of participants, potentially offering a more accurate forecast than any single individual or poll.
This market resolves around Oct 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on the final results of the generic ballot question as reported by a reputable source covering election data. The market will determine whether Democrats are up or down based on the final vote share, offering a clear and objective assessment of the election landscape at that time.
Several signals or events could significantly move this market. Major economic news releases, such as unemployment figures or inflation reports, could shift voter sentiment and impact trading activity. Unexpected developments in ongoing political events, like significant policy announcements or candidate missteps, could also cause price fluctuations. Finally, the release of new polling data, particularly if it deviates substantially from current expectations, could lead to a reassessment of the odds and a corresponding change in the price of contracts within this market.