The market for “US announces halt in Iran offensive operations by July 21?” saw its YES contract price surge by 19.5 percentage points over the past 24 hours, climbing from an estimated 4.5% to 24.0% as of July 20. This significant repricing reflects a notable shift in market sentiment toward the likelihood of a US announcement within the specified timeframe.
Supporting this move, whale activity aligned with the price increase, indicating that large traders were net buyers of YES contracts alongside the broader market rally. Polymarket recorded $71K in volume over the 24-hour period, suggesting robust trading interest amid the evolving geopolitical outlook.
The coordinated price and whale flow movement signals growing conviction in the possibility of a US decision to halt offensive operations in Iran by the July 21 deadline. Such alignment between large trader behavior and price action reinforces the market’s reassessment of the event’s probability rather than a speculative anomaly.
This combined data points to heightened market focus on imminent developments in US-Iran relations, as traders increasingly price in a significant policy announcement within the next day.
| Market | US announces halt in Iran offensive operations by July 21? |
|---|---|
| Market ID | 2967835 |
| 24h price change | +19.5 pp |
| YES now (PM Breaking) | 24.0% |
| YES ~24h ago (est.) | 4.5% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $71K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-20. 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.