Who will be in the Burnham cabinet?

Platform comparison

Market context

Andy Burnham has officially unveiled his first Labour cabinet, confirming a slate of ministers loyal to his leadership after replacing predecessor Keir Starmer. This real-world appointment triggers the settlement condition for the prediction market, where a YES share pays out if the listed individual is confirmed as a minister within seven days of Burnham’s Prime Minister appointment, while a NO share pays if they are excluded. With the crowd-implied probability at 100% YES, the market treats the individual’s inclusion as a certainty, reflecting the immediate public disclosure of the cabinet list.

Historically, UK cabinet formations following a new Prime Minister’s appointment resolve quickly, often within 24 to 48 hours, as seen when Starmer replaced Boris Johnson in 2022. In those cases, markets pricing on cabinet inclusion moved to near-100% certainty once the official list was published by Downing Street, mirroring the current pricing here. The 100% probability suggests the individual named in this market is already confirmed in the published roster, leaving no ambiguity about their status as a minister.

Traders should monitor official Downing Street announcements for any late reshuffles, though the cabinet is already unveiled as of 20 July 2026. Key catalysts include potential ministerial resignations or emergency reappointments within the seven-day window, but current reports from The Guardian and ITV News confirm the core list is final [1][3]. Since the settlement window ends in 2026 and the cabinet is already formed, the outcome hinges solely on whether the individual appears in the confirmed list, which public sources have already detailed.

Sources: 1 · 2 · 3 · 4 · 5

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 Market UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Market UK. 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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.