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: Jul 22, 1:32 AM EST
Polymarket
This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the AZ-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on July 21, 2026. If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other". The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/. Any replacement of the nominee before election day will not change the resolution of the market.
This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the AZ-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on July 21, 2026. If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other". The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/. Any replacement of the nominee before election day will not change the resolution of the market.
Prediction markets often diverge from traditional polls because traders incorporate real-time information, campaign momentum, and insider knowledge that surveys may lag. While polls capture a snapshot of voter preference at one moment, this market prices in expectations about turnout, late-breaking news, and candidate viability through the resolution date. Traders who profit from accurate forecasts have strong incentives to reflect ground truth faster than pollsters update their samples. However, both tools are imperfect; markets can overshoot on hype, and polls can miss shifts in voter sentiment. Comparing the two side by side helps you triangulate the true state of the race and spot where consensus may be misaligned.
This market resolves around Jul 21, 2026, once the Democratic primary election concludes and the winner is verifiable from credible public reporting. The outcome is determined by which candidate receives the most votes in the official Arizona 4th District Democratic primary and is certified as the nominee. Resolution hinges on the final, official vote count and any recount or certification process required by state law. Until that date, prices will fluctuate based on campaign developments, endorsements, debate performance, and evolving voter sentiment. Early resolution is unlikely unless a candidate withdraws or the primary is postponed.
Major catalysts include candidate endorsements from party leaders or influential figures, debate performances, and shifts in local or national political momentum. Polling releases—especially from reputable Arizona-focused firms—often trigger sharp repricing as traders recalibrate their models. Campaign spending announcements, media coverage of gaffes or scandals, and voter registration data can also shift odds. Turnout expectations matter heavily in primaries; if one candidate's base shows stronger early-vote or mail-ballot engagement, the market will adjust accordingly. Finally, broader Democratic primary dynamics or national political events may indirectly influence local sentiment and candidate viability through the resolution date.