The market on whether Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 saw a dramatic price surge over the past 24 hours, with the YES contract climbing 43.2 percentage points from 43.7% to 86.9%.
This sharp repricing was accompanied by aligned whale activity, as 128 unique whales contributed $93K in buy volume against $47K in sells, resulting in a net $46K inflow into YES positions. The 24-hour trading volume on Polymarket reached $85K, making this move significant relative to the market’s lifetime volume of $243K and its base of 441 unique traders.
The tandem rise in price and whale net buying underscores a strong consensus among large traders backing Mahmood’s potential appointment. The scale of whale engagement suggests that the price increase was not just retail-driven but reinforced by substantial capital flows from key market participants.
This combination of a nearly doubling in implied probability and robust whale support signals heightened confidence in Mahmood’s candidacy within the prediction market ecosystem. It reflects a notable shift in market sentiment and trader conviction around 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 | +43.2 pp |
| YES now (PM Breaking) | 86.9% |
| YES ~24h ago (est.) | 43.7% |
| YES (Polydata overview) | 86.9% |
| Whale net flow (24h) | $46K |
| Whale buy / sell (24h) | $93K / $47K |
| Unique whales (24h) | 128 |
| Volume 24h (PM) | $85K |
| Unique traders (Polydata) | 441 |
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.