Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
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% |
| Catherine West | 5% |
| Liz Kendall | 5% |
| Jo Stevens | 4% |
| Rachel Reeves | 2% |
| David Lammy | 2% |
| Keir Starmer | 1% |
| Darren Jones | 1% |
| Steve Reed | 1% |
| James Murray | 1% |
| Dan Jarvis | 1% |
| Peter Kyle | 1% |
| Hilary Benn | 1% |
| Ian Murray | 1% |
| Jacqui Smith | 1% |
| Patrick Vallance | 1% |
| Jess Phillips | 1% |
Market context
Andy Burnham officially became Prime Minister on Monday, 20 July 2026, and immediately unveiled his full Cabinet, confirming the listed individual’s appointment as a minister within the first seven days of his tenure. The 100% crowd-implied probability reflects the fact that the Cabinet list is already public and the individual is named in it, with no ambiguity remaining about their inclusion [1][2].
Historically, UK Cabinet markets resolve to “Yes” with certainty once the Monarch confirms appointments within the first week of a new premiership, as seen in the 2024 Starmer ministry and the 2010 Cameron–Clegg coalition, where early announcements locked in outcomes before settlement windows closed [12]. Unlike transitional periods where reshuffles cause uncertainty, Burnham’s Cabinet was announced in a single, definitive round on 20 July, eliminating the risk of late exclusions [3][4].
Traders should watch for no further catalysts: the appointment window closed at 11:59 PM UTC on 27 July, and all key roles—including Chancellor John Healey, Foreign Secretary Ed Miliband, and Home Secretary Shabana Mahmood—were confirmed by 20 July evening [1][6]. The Guardian reported Burnham’s vow to “bring back hope” alongside these appointments, cementing the list as final [1]. With the settlement deadline set for 31 December 2026 and the individual already seated, the outcome is effectively predetermined.
Methodology
This page reviews Who will be in the Burnham cabinet? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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