The probability that Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 surged 45.1 percentage points in the past 24 hours, rising from 43.0% to 88.1% on Polymarket. This dramatic price move signals a swift shift in market sentiment regarding Mahmood’s chances.
Whale activity aligned with this price movement, with 122 unique whales contributing to a net $43K inflow into YES contracts. Whale buy volume was $86K compared to $43K in sells, indicating strong buying pressure from large traders. Total 24-hour volume on the market reached $85K, close to the whale buy volume, underscoring whales’ dominant role in the recent repricing. Since inception, the market has seen $244K in total volume and 442 unique traders.
This coordinated price and whale flow movement suggests growing confidence among large investors and the broader trading community in Mahmood’s likelihood to become Chancellor in 2026. The rapid repricing and supportive whale flow reflect a significant update in the collective market view on this political outcome.
| Market | Will Shabana Mahmood be the next Chancellor of the Exchequer of the UK in 2026? |
|---|---|
| Market ID | 2632929 |
| 24h price change | +45.1 pp |
| YES now (PM Breaking) | 88.1% |
| YES ~24h ago (est.) | 43.0% |
| YES (Polydata overview) | 88.1% |
| Whale net flow (24h) | $43K |
| Whale buy / sell (24h) | $86K / $43K |
| Unique whales (24h) | 122 |
| Volume 24h (PM) | $85K |
| Unique traders (Polydata) | 442 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-16. Data: Polydata API v3. On-chain figures are public. Realized PnL is computed over resolved markets only and excludes open positions, so it is conservative versus the Polymarket UI. This is not investment advice.