The market on whether Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 surged 72.0 percentage points in 24 hours, rising from 17.8% to 89.8%.
This dramatic shift was accompanied by aligned whale activity, with $41K net flow into YES contracts over the same period. Whale buy volume totaled $86K against $45K in sells, spread across 139 unique whale traders. The Polymarket 24-hour volume on the question was $79K, contributing to a lifetime market volume of $204K and participation from 381 unique traders overall.
The combined price surge and whale buying indicate a strong consensus that Mahmood’s chances have materially improved. Whales and the tape moved together, reinforcing the upward repricing and signaling a significant change in market sentiment towards this outcome. This alignment of large-scale flow and sharp price increase highlights growing conviction among both retail and institutional participants on Mahmood’s potential to become Chancellor.
| Market | Will Shabana Mahmood be the next Chancellor of the Exchequer of the UK in 2026? |
|---|---|
| Market ID | 2632929 |
| 24h price change | +72.0 pp |
| YES now (PM Breaking) | 89.8% |
| YES ~24h ago (est.) | 17.8% |
| YES (Polydata overview) | 89.8% |
| Whale net flow (24h) | $41K |
| Whale buy / sell (24h) | $86K / $45K |
| Unique whales (24h) | 139 |
| Volume 24h (PM) | $79K |
| Unique traders (Polydata) | 381 |
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.