Clacton by-election: Margin of Victory: how this market works

What you need to know

This market is asking how big Reform UK's winning margin will be in the Clacton by-election — assuming Reform wins. The three options are: Farage's replacement wins by more than 60 percentage points, by somewhere between 40 and 60 points, or by a narrower 20 to 40 point gap. To picture that: a 60-point margin means one candidate got, say, 75% of the vote and the runner-up got 15%. A 20-point margin looks more like 55% vs 35% — a clear win, but a much closer race. Once the official vote count is certified, the market settles on whichever bracket matches the gap between the top two candidates' vote percentages. The official source is Tendring District Council or UK Parliament results. If the election hasn't happened and results aren't confirmed by December 31, 2026, the market resolves to 'Other' — so a delayed or cancelled election would be a surprising outcome worth knowing about. A recount, if one happens, keeps the market open until the final certified total is in. One relevant piece of news: Count Binface — a well-known satirical candidate who runs in high-profile UK elections — has entered the Clacton race. That matters because a crowded field of minor candidates can split votes in ways that affect the margin between the top two finishers. The Andy Burnham news (he was elected Labour leader) could matter if it shifts Labour's strategy or candidate for the seat, but no direct Clacton-specific impact is reported yet. The biggest unknown is simply who the candidates are and how the opposition vote splits. Reform won Clacton comfortably in 2024, so the market prices a large margin as most likely — but by-elections are notoriously unpredictable. Turnout tends to be lower, tactical voting can concentrate around one challenger, and a new Labour leader could shift resources or voter enthusiasm. The exact margin is sensitive to small shifts in how votes distribute across multiple parties, making the difference between the 40–60% and 60%+ brackets genuinely hard to call.

The odds right now

• Farage 60%++10.5 pts (1w)51%
• Farage 40-60%+1.1 pts (1w)36%
• Farage 20-40%-0.3 pts (1w)9%
• Farage <20%-5.0 pts (1w)4%
• Other+1.7 pts (1w)2%
• Count Binface-4.5 pts (1w)2%

Price history

How this resolves

Resolves June 30, 2027

A by-election for the United Kingdom parliamentary constituency of Clacton is expected to be held soon following the announced resignation of incumbent Nigel Farage. This market will resolve according to the margin of victory between the top two candidates in the specified election. Read the full resolution rules on the live market page.

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