The market on whether Shabana Mahmood will be the next Chancellor of the Exchequer of the UK in 2026 saw a dramatic shift over the past 24 hours, with the YES contract price rising 51.0 percentage points from an estimated 6.3% to 57.4%. This sharp repricing reflects a significant change in market sentiment around Mahmood’s prospects.
Whale flow confirmed this move, with net buying of $23K into the YES side out of $51K in buy volume against $28K in sells, involving 111 unique whales. The alignment between whale activity and price movement suggests that large traders drove the surge rather than reacting against it. Total Polymarket volume for this market in the past day was $48K, contributing to a lifetime volume of $171K across 343 unique traders.
This coordinated price and flow action indicates growing conviction among major participants about Mahmood’s chances of becoming Chancellor by 2026. The combination of a steep 51pp price increase and whale net inflows signals a marked shift in market expectations, reflecting new information or sentiment influencing this politically significant prediction market.
| Market | Will Shabana Mahmood be the next Chancellor of the Exchequer of the UK in 2026? |
|---|---|
| Market ID | 2632929 |
| 24h price change | +51.0 pp |
| YES now (PM Breaking) | 57.4% |
| YES ~24h ago (est.) | 6.3% |
| YES (Polydata overview) | 57.4% |
| Whale net flow (24h) | $23K |
| Whale buy / sell (24h) | $51K / $28K |
| Unique whales (24h) | 111 |
| Volume 24h (PM) | $48K |
| Unique traders (Polydata) | 343 |
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.