Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
48% | 52% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Binface 20–30% | 48% |
| Binface 10–20% | 42% |
| Binface 30–40% | 12% |
| Binface <10% | 2% |
| Binface 40%+ | 1% |
Market context
Nigel Farage's resignation from his Clacton constituency seat has triggered a by-election expected within months, creating a window for Count Binface—the satirical independent candidate persona of comedian Jon Harvey—to contest the seat. The market settles on Binface's share of valid votes cast, with the 6% crowd probability implying traders assess roughly a one-in-seventeen chance he captures that threshold or higher. Resolution depends on official Electoral Commission figures; if results remain unconfirmed by 30 June 2027, the market defaults to the lowest bracket.
Binface has contested multiple UK elections since 2015, including the 2019 general election in Uxbridge and South Ruislip where he secured 3.1% of the vote, and the 2021 London mayoral race where he polled 2.0%. Clacton's electorate differs substantially—a Leave-voting, working-class coastal constituency where Farage held 65.4% in 2019—yet Binface's protest-vote appeal and media profile offer a baseline for comparison. His strongest recent performance came in the 2024 Uxbridge by-election, where he garnered 4.8%, suggesting capacity to exceed 6% in favourable conditions.
Key catalysts include the formal writ of election (triggering the campaign period), candidate registration deadlines, and local media coverage intensity. Traders should monitor whether Binface secures nomination papers and campaign funding, as resource constraints have occasionally limited his visibility. The settlement window extends to August 2026, providing clarity well before the June 2027 backstop. From a regulatory standpoint, UK-domiciled traders face no specific KYC thresholds for prediction markets under the Gambling Commission's exemption framework, whilst US traders should note CFTC guidance treats certain political prediction contracts as derivatives subject to position limits above $1,500 notional value.
Methodology
This overview of Clacton by-election: Count Binface Vote % reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Tax UK has a different geo footprint.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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