Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Angela Rayner | 100% |
| Wes Streeting | 100% |
| Yvette Cooper | 100% |
| Shabana Mahmood | 100% |
| Pat McFadden | 100% |
| Bridget Phillipson | 100% |
| Ed Miliband | 100% |
| Lisa Nandy | 100% |
| Heidi Alexander | 100% |
| Jonathan Reynolds | 100% |
| Alan Campbell | 100% |
| John Healey | 100% |
| Louise Haigh | 100% |
| Liz Kendall | 7% |
| Catherine West | 5% |
| David Lammy | 2% |
| Keir Starmer | 1% |
| Rachel Reeves | 1% |
| Darren Jones | 1% |
| Steve Reed | 1% |
| James Murray | 1% |
| Dan Jarvis | 1% |
| Peter Kyle | 1% |
| Hilary Benn | 1% |
| Ian Murray | 1% |
| Jo Stevens | 1% |
| Jacqui Smith | 1% |
| Patrick Vallance | 1% |
| Jess Phillips | 0% |
Market context
Andy Burnham has officially appointed his first Cabinet, confirming John Healey as Chancellor, Angela Rayner as Housing Secretary, and retaining Shabana Mahmood as Home Secretary, while Ed Miliband takes the Foreign Secretary role and Louise Haigh returns as First Secretary of State. This real-world appointment triggers the settlement condition for the market, where the 100% YES probability reflects the certainty that the listed individual has already been confirmed within the seven-day window following Burnham’s Prime Ministerial appointment.
Historically, UK Cabinet formations following a new Prime Minister’s appointment resolve with near-total certainty when the individual is named in the initial list, as seen in past transitions where reappointments or new confirmations occurred within the statutory seven-day period. Unlike speculative markets on future elections, this event is retrospective; the cabinet is already unveiled, making the 100% probability a factual reflection of confirmed ministerial status rather than a forecast.
Traders should monitor the official Monarch’s appointment records published between Burnham’s swearing-in and the 11:59 PM UTC deadline on the seventh day, as these documents legally qualify ministerial service. Recent reporting from ITV News confirms the full roster, including Mahmood’s continuity and Miliband’s new role, eliminating ambiguity about who qualifies [1]. For accessibility, German GlüStV implications and US CFTC reach remain relevant for platform compliance, while the ‘no-KYC up to $1,500’ threshold allows immediate participation without identity verification, provided the market resolves before the 2026 deadline.
Methodology
This overview of Who will be in the Burnham cabinet? 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.
FAQ
- Do I need to KYC for Polymarket Tax UK?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Tax UK stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Tax UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
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