AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 92% ▲ 39College Football Playoff Qualifiers: Ohio St. 14% ▼ 37ACC Men's U19 Asia Cup: India Under-19s vs P… 22% ▼ 28Who will receive the second mandate to form … 67% ▲ 27Will Pete Hegseth be impeached: Before Apr 1… 83% ▲ 24Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23How much will Anthropic raise in its IPO: $6… 42% ▲ 23NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19Next Israeli government # of seats: <58 71% ▲ 19Next leader out of power before 2027: Netany… 45% ▲ 19Khamenei # posts November 3 - November 10, 2… 85% ▲ 18ATP Paris Winner: Carlos Alcaraz 78% ▲ 18Heisman Trophy Winner: CJ Carr 34% ▲ 18Jonathan Taylor Next Team: New York G 31% ▼ 18Pete Hegseth impeached by...: March 31, 2027 76% ▲ 18NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17College Football Playoff Qualifiers: Texas 73% ▲ 17Heisman Trophy Winner: Jeremiah Smith 23% ▼ 16Test Match: Afghanistan vs Zimbabwe: Draw 74% ▲ 16Traffic through the Strait of Hormuz? (11/2 … 46% ▼ 15AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 92% ▲ 39College Football Playoff Qualifiers: Ohio St. 14% ▼ 37ACC Men's U19 Asia Cup: India Under-19s vs P… 22% ▼ 28Who will receive the second mandate to form … 67% ▲ 27Will Pete Hegseth be impeached: Before Apr 1… 83% ▲ 24Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23How much will Anthropic raise in its IPO: $6… 42% ▲ 23NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19Next Israeli government # of seats: <58 71% ▲ 19Next leader out of power before 2027: Netany… 45% ▲ 19Khamenei # posts November 3 - November 10, 2… 85% ▲ 18ATP Paris Winner: Carlos Alcaraz 78% ▲ 18Heisman Trophy Winner: CJ Carr 34% ▲ 18Jonathan Taylor Next Team: New York G 31% ▼ 18Pete Hegseth impeached by...: March 31, 2027 76% ▲ 18NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17College Football Playoff Qualifiers: Texas 73% ▲ 17Heisman Trophy Winner: Jeremiah Smith 23% ▼ 16Test Match: Afghanistan vs Zimbabwe: Draw 74% ▲ 16Traffic through the Strait of Hormuz? (11/2 … 46% ▼ 15

How many UK Prime Ministers by end of 2027 Odds

Polymarket traders give 2 a 90% chance.

Polymarket Volume $245K 24h $213 Liquidity $156K Ends Jan 1, 2028 Updated Nov 8, 6:30 AM EST
OutcomeChanceOdds24h
2
90% -852 —
3
11% +852 —
4+
<1% +33233 —

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Price history

0% 25% 50% 75% 100% Oct 2 Nov 2
234+

Resolution rules

This market will resolve to the number of unique individuals who officially hold the office of Prime Minister of the United Kingdom at any point between market creation and December 31, 2027, 11:59 PM ET. This market will resolve based on the number of unique individuals to hold the position. For example, if an individual is appointed twice within the specified timeframe, they will only count once for resolution. To count for resolution, an individual must have been officially appointed by the United Kingdom Monarch. An individual’s time of appointment will have no bearing on this market so long as the individual officially serves as Prime Minister within the specified timeframe. Any interim or caretaker Prime Minister will not count toward the resolution of this market For clarity, Keir Starmer will count as one Prime Minister for the purposes of this market. The primary resolution source for this market will be official information from the Government of the United Kingdom; however, a consensus of credible reporting may also be used.

Source: Polymarket. The venue's rules are final.

FAQ

Who is favored in How many UK Prime Ministers by end of 2027?

As of Nov 8, 6:30 AM EST, traders on Polymarket price 2 at 90%, about -852 in American odds. Prices move with every trade.

How are prediction market odds calculated?

Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.

When does this market close?

Polymarket lists Jan 1, 2028 as the end date. It can close earlier if the outcome is decided.

Where can I trade on How many UK Prime Ministers by end of 2027?

This market trades on Polymarket. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.