The probability that Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 rose sharply by 55.1 percentage points over the past 24 hours on Polymarket, climbing from 31.7% to 86.9%.
This substantial repricing was backed by whale activity, with net flows of $37K into YES contracts. Whale buy volume totaled $73K, more than double the $35K in sell volume, indicating strong buying interest from large traders. The number of unique whales participating in this market during the day reached 120, contributing to a Polymarket 24-hour trading volume of $68K.
Since inception, the market has seen $221K in lifetime volume, with 410 unique traders overall. The alignment between whale flows and price movement suggests that informed traders are reinforcing the market’s sudden shift in expectation.
The combined price surge and whale buying pressure signal a rapid increase in confidence among market participants about Mahmood’s prospects as Chancellor. This consensus-driven rally highlights a significant reassessment of her chances within the prediction market community.
| Market | Will Shabana Mahmood be the next Chancellor of the Exchequer of the UK in 2026? |
|---|---|
| Market ID | 2632929 |
| 24h price change | +55.1 pp |
| YES now (PM Breaking) | 86.9% |
| YES ~24h ago (est.) | 31.7% |
| YES (Polydata overview) | 86.9% |
| Whale net flow (24h) | $37K |
| Whale buy / sell (24h) | $73K / $35K |
| Unique whales (24h) | 120 |
| Volume 24h (PM) | $68K |
| Unique traders (Polydata) | 410 |
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.