TOTAL VOLUME:
$97.5b
24H VOL:
$264,423,826
24H TRANSACTIONS:
951,878,243
OPEN INTEREST:
$2,171,275,957
831,219
Markets across
15,133
events
MATCHED EVENTS:
973
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
Will Reform UK win the 2026 Clacton by-election?
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Intro
This market tracks which party will win the 2026 Clacton by-election in the United Kingdom. On Kalshi, Reform UK holds a leading probability of 92.0% to secure the most votes and win the seat, while the Count Binface Party is priced at 8.0%. The market resolves according to the official certification of results by the relevant UK electoral authority. Watch for the official announcement of the by-election date in 2026, which will trigger the start of the voting period and set the timeline for final resolution by September 2027.
Kalshi
The 2026 Clacton by-election winner is determined by the party that receives the most votes in the constituency and is officially certified by the relevant UK electoral authority. Resolution is based on the official certification or declaration by the electoral authority. If results are contested, the final certified outcome by the appropriate electoral authority or highest court with jurisdiction prevails. The market remains open until the rescheduled election or two years from the original scheduled date, whichever comes first. If an election is repeatedly postponed, all postponements count toward the two-year deadline. Should results be annulled by a court or authority after announcement but before the winner takes office, the market remains open until a re-run election occurs or the deadline expires. Formally registered coalitions or alliances count only if registered with electoral authorities before the nomination deadline. If two parties tie in vote share, the party entering government resolves to Yes and others to No; if both or neither enter government, the party with the higher vote share resolves to Yes.
Frequently asked questions
Prediction markets like this one often diverge from traditional polling and analyst forecasts because they incorporate real-money incentives. Traders who back their views with capital tend to integrate multiple signals—campaign momentum, local demographics, and historical voting patterns—into live odds. While pollsters publish snapshots at discrete intervals, this market updates continuously as new developments occur. Comparing the current odds to recent analyst reports can reveal where the crowd sees value or risk that conventional forecasters may have missed.
On Kalshi, this market is priced through an automated market maker that converts trader activity into real-time odds for each candidate. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares are bought and sold at prices between 0 and 100 cents, where the price reflects the implied probability of that outcome. As more traders buy shares in a particular candidate, that price rises; selling pressure lowers it. This continuous pricing mechanism ensures liquidity and allows you to enter or exit positions throughout the campaign window.
This market resolves around Sep 1, 2027, once the by-election result is official and verifiable from credible public sources. The outcome is determined by which candidate receives the most votes and is declared the winner by the relevant electoral authority. Until that point, odds will fluctuate based on campaign developments, candidate statements, and emerging polling data. Resolution is binary: one candidate will be confirmed as the winner, and all positions will settle accordingly.
Major campaign events—candidate debates, endorsements from prominent figures, or gaffes—typically trigger sharp price movements in this market. Local or national polling releases can shift odds significantly if they show unexpected momentum. Media coverage of local issues, candidate background stories, or turnout expectations also influence trader behavior. Tactical withdrawals by minor candidates, campaign spending announcements, and voter registration deadlines are additional catalysts. Real-time social media sentiment and ground-level campaign activity often precede formal polls, giving early movers an edge in anticipating shifts.
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