Next UK by-election called by…?

Ended: Jan 1, 2027

Jan 1, 2027

Ended: Jan 1, 2027

Jan 1, 2027

$22,216 Vol.

Sep 30, 2026

September 30

$17,576 Vol.

Yes

December 31

$4,640 Vol.

Yes

$22,216 Vol.

September 30

$17,576 Vol.

Yes

December 31

$4,640 Vol.

Yes

This market will resolve to "Yes" if a writ calling for a parliamentary by-election in a UK parliamentary constituency is issued by the UK Clerk of the Crown in Chancery by the specified date, 11:59 PM ET. Otherwise, this market will resolve to "No". The issuance of a writ must be confirmed within the specified timeframe to qualify. The primary resolution source for this market will be official information from the government of the United Kingdom, including the UK Parliament and the relevant local government conducting the election; however a consensus of credible reporting will also be used.

Market Opened: Jul 24, 2026, 7:16 PM ET

Volume

$22,216

End Date

Jan 1, 2027

Market Opened

Jul 24, 2026, 7:16 PM ET

Resolver

0x65070BE91...

Outcome proposed: Yes

No dispute

Final outcome: Yes

Volume

$22,216

End Date

Jan 1, 2027

Market Opened

Jul 24, 2026, 7:16 PM ET

Resolver

0x65070BE91...

Outcome proposed: Yes

No dispute

Final outcome: Yes

Another Clacton by-election called in 2026?

11%

Will there be exactly 6 UK parliamentary by-elections in 2026?

62%

French election called by December 31, 2026?

Beware of external links.

Frequently Asked Questions

"Next UK by-election called by…?" is a prediction market on Polymarket with 2 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "September 30" at 100%, followed by "December 31" at 100%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Next UK by-election called by…?" has generated $22.2K in total trading volume since the market launched on Jul 24, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Next UK by-election called by…?," browse the 2 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Next UK by-election called by…?" is "September 30" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "December 31" at 100%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Next UK by-election called by…?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.

Yes. You don't need to trade to stay informed. This page serves as a live tracker for "Next UK by-election called by…?." The outcome probabilities update in real-time as new trades come in. You can bookmark this page and check the comments section to see what other traders are saying. You can also use the time-range filters on the chart to see how the odds have shifted over time. It's a free, real-time window into what the market expects to happen.

Polymarket odds are set by real traders putting real money behind their beliefs, which tends to surface accurate predictions. With $22.2K traded on “Next UK by-election called by…?,” these prices aggregate the collective knowledge and conviction of thousands of participants — often outperforming polls, expert forecasts, and traditional surveys. Prediction markets like Polymarket have a strong track record of accuracy, especially as events approach their resolution date. For example, Polymarket has a one month accuracy score of 94%. For the latest stats on Polymarket’s prediction accuracy, visit the accuracy page on Polymarket.

To place your first trade on "Next UK by-election called by…?," sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Once your account is funded, return to this page, select the outcome you want to trade, enter your amount, and click "Trade." If you're new to prediction markets, click the "How it works" link at the top of any Polymarket page for a quick step-by-step walkthrough of how trading works.

On Polymarket, the price of each outcome represents the market's implied probability. A price of 100¢ for "September 30" in the "Next UK by-election called by…?" market means traders collectively believe there is roughly a 100% chance that "September 30" will be the correct result. If you buy "Yes" shares at 100¢ and the outcome is correct, you receive $1.00 per share — a profit of 0¢ per share. If incorrect, those shares are worth $0.

The "Next UK by-election called by…?" market has been resolved. The final result has been determined and the market is no longer open for trading. You can still review the historical odds, outcome probabilities, and comments on this page to see how predictions evolved over time.

The "Next UK by-election called by…?" market has a growing discussion of 6 comments where traders share their analysis, debate outcomes, and discuss breaking developments. Scroll down to the comments section below to read what other participants think. You can also filter by "Top Holders" to see what the market's biggest traders are positioned on, or check the "Activity" tab for a real-time feed of trades.

Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge of real-world events. Traders buy and sell shares on outcomes for topics ranging from politics and elections to crypto, finance, sports, tech, and culture, including markets like "Next UK by-election called by…?." Prices reflect real-time, crowd-sourced probabilities backed by financial conviction, often providing faster and more accurate signals than polls, pundits, or traditional surveys.

Next UK by-election called by…?

Next UK by-election called by…?

Rules

Market Context

Rules

Market Context

Related

Comments (6)

Top Holders

Positions

Activity

Frequently Asked Questions

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