TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 26, 9:59 AM EST
Kalshi
This market measures whether Democrats will maintain a lead of more than 5.2 percentage points over Republicans on the generic ballot during the week of June 19-26, 2026. The margin is calculated as Democratic support minus Republican support using a time-weighted average from VoteHub.
If the VoteHub 2026 generic ballot margin (D − R, time-weighted) is above 5.2% at 10:00 AM ET on Jun 26, 2026, then the market resolves to Yes.
Prediction market odds often diverge from traditional polling averages because traders incorporate forward-looking expectations, uncertainty, and real-time information into their pricing. While polls capture a snapshot of voter preference at a single moment, this market reflects collective expectations about whether Democratic support will trend upward or downward over the week ahead. Traders may price in anticipated campaign announcements, debate effects, or economic data releases that polls have not yet measured. Comparing the market's implied probability to the latest generic ballot polls can reveal whether traders expect a shift in Democratic momentum that surveys have not yet detected.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares corresponding to each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the collective willingness of traders to bet on whether Democratic support moves up or down during the specified period. As new information emerges—polling releases, political events, or campaign developments—traders adjust their positions, moving the price in real time. The spread between bid and ask prices narrows or widens based on trading volume and conviction, allowing participants to enter or exit positions at market-determined rates.
This market resolves around Jun 26, 2026, at which point the outcome is determined by comparing Democratic ballot preference at the start and end of the tracking window. The resolution is verified against credible public sources, including published polling data and official reporting from recognized election tracking organizations. Traders holding shares in the winning outcome receive their payout once the result is confirmed and the market officially settles. The exact timing of resolution may depend on when authoritative data becomes available and is published by the relevant sources.
Several categories of events could shift this market significantly before Jun 26, 2026. Major polling releases showing Democratic gains or losses will directly influence trader expectations about the week's trend. Campaign announcements, candidate statements, or high-profile political developments may alter perceptions of Democratic momentum. Economic data, legislative votes, or national news events can reshape voter sentiment and ballot preference. Media coverage and debate performance by Democratic figures may also sway the market. Additionally, unexpected political controversies or endorsements could trigger rapid repricing as traders reassess the likelihood of upward or downward movement in Democratic support.