Will Angela Rayner be the next Prime Minister of the United Kingdom in 2026?

Angela Rayner's 19¢ price reflects a modest 19% probability of becoming PM by end-2026, with the asymmetric implied yields (601.5% Yes vs. 33.1% No) suggesting traders see significant tail risk rather than baseline expectation. The market has declined 1¢ over seven days despite 259 days to expiry and $45.8M open interest, indicating either cooling sentiment or mean reversion from earlier optimism. The tight 1¢ spread and $1.06M daily volume provide reasonable liquidity for a niche UK political outcome, though the 4-rated cliff risk suggests potential volatility around key political events through year-end 2026.

Resolution rules

This market will resolve to the next individual who is officially appointed as Prime Minister of the United Kingdom by December 31, 2026, 11:59 PM ET. To count for resolution, the individual must be officially appointed by the United Kingdom Monarch. Any interim or caretaker Prime Minister will not count toward the resolution of this market. If no such Prime Minister is appointed by December 31, 2026, 11:59 PM ET, this market will resolve to “No Next PM in 2026”. 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.

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