Clacton by-election: 2nd place

Platform comparison

Market context

The Clacton by-election is scheduled for 13 August, following Nigel Farage’s resignation and re-standing for Reform UK, and the contest is notable more for the fight over second place than for the winner. Reuters and local reporting say the seat will be contested on a crowded ballot, with Tendring District Council setting polling day and the public-facing candidate list still subject to the formal nominations process.[12][14][10]

That context helps explain why the crowd’s 2% for a non-Binface outcome is so low: prediction markets are treating Count Binface as the clear favourite for second place, with Polymarket around 67% and CryptoSlate’s snapshot close behind at about 60%, while the next tier of named alternatives sits in the low teens or single digits.[9][6] The historical comparison here is to highly fragmented by-elections where a novelty or celebrity candidacy can beat more conventional challengers simply by consolidating protest votes; in this race, the field is unusually broad, which tends to make a distant runner-up more plausible than in a standard two- or three-way contest.[8][10]

For traders, the main catalysts are the final statement of persons nominated, any last-minute withdrawals, and the publication of the official ballot paper, because several declared names are not yet formally confirmed.[3][7] BBC and Pollcheck both note that nominations have not opened or closed yet, so the market can still reprice sharply if a headline candidate is ruled in or out, or if the final ballot order changes the visibility of fringe names.[11][3] The most important dependency remains whether the ballot stays crowded enough for protest voting to split, which is the key reason the market still assigns such a small probability to any outcome other than the current frontrunner for second place.[9][6]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Clacton by-election: 2nd place across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.