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Which party will win the next UK general election?

Live prices from Kalshi, ordered by what the market thinks. These are raw ask prices, what it actually costs to take the position, margin included.

OutcomeKalshi
Labour party 37¢
Reform party 29¢
Conservative party 21¢
Restore Britain party 5.7¢
Green party 3.3¢
Liberal Democratic party 1.5¢

Only outcomes with a live two-sided quote are shown, and 2 contracts trading under a cent are left off. No Polymarket equivalent was matched with enough confidence to publish, so this page is Kalshi only. Prices as of Sun, 01 Nov 2026 06:37:26 UTC.

Your call

The market says 37%. It got there by making everyone who disagreed put money behind it. You do not have to, so this is the cheap version of the same question, and the interesting number is how far the two drift apart.

37%

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The record

What this market has cost every day since 5 February 2026, taken from the exchange's own published history. The line is the mid price, halfway between what a buyer would pay and a seller would take.

0 25 50 75 100 FebMarAprMayJunJulAugSeptOctNov Labour party 36 Reform party 27 Conservative party 14.6

Over this window Reform party went from 53.5 to 27, a move of 26.5 points away from happening.

The other 1 contract in this field is left off the chart rather than drawn in a colour nobody could tell apart; it is all in the table above. Kalshi removes a contract from its interface once it settles and Polymarket buries closed events, so this page is the copy that stays put. We also record our own snapshot once a day, independently, because a history published by the house is worth checking against one kept by somebody with no position in it.

See this on Kalshi

What settles this

Settlement source
The New York Times, the House of Commons
Contract terms
Kalshi product certification (PDF)
Closes
Fri, 31 Aug 2029 14:00:00 UTC
Resolution, for the Labour party contract
If Labour receives the most seats in the next UK general election, then the market resolves to Yes.
Ticker
KXUKPARTY-29

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