The probability that Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 surged by 57.0 percentage points in the last 24 hours, rising from 32.9% to 89.8% on Polymarket.
This dramatic repricing coincided with strong whale activity: 138 unique whales traded $83K in buy volume against $41K in sell volume, resulting in a net $43K inflow into YES contracts. The alignment of whale flow with the price move confirms that major traders supported the rapid shift in market sentiment.
Overall, the market saw $76K in volume over 24 hours, a significant portion of the lifetime market volume of $208K generated by 387 unique traders. The concentrated whale buying suggests growing conviction among large participants that Shabana Mahmood will secure the Chancellor position by 2026.
This combined surge in price and whale demand signals a strong consensus developing around Mahmood’s prospects, reflecting a notable shift in market expectations within a single day.
| Market | Will Shabana Mahmood be the next Chancellor of the Exchequer of the UK in 2026? |
|---|---|
| Market ID | 2632929 |
| 24h price change | +57.0 pp |
| YES now (PM Breaking) | 89.8% |
| YES ~24h ago (est.) | 32.9% |
| YES (Polydata overview) | 89.8% |
| Whale net flow (24h) | $43K |
| Whale buy / sell (24h) | $83K / $41K |
| Unique whales (24h) | 138 |
| Volume 24h (PM) | $76K |
| Unique traders (Polydata) | 387 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-15. 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.