The Polymarket contract “US announces halt in Iran offensive operations by July 24?” saw its YES price drop 19.5 percentage points over the last 24 hours, falling from 29.5% to 10.0% as of July 19, 2026. This sharp decline reflects a significant shift in market sentiment regarding the likelihood of a US announcement by that date.
Interestingly, whale trading activity diverged from the price move. Despite the YES price collapsing, large traders did not follow the sell-off; instead, whale flow moved contrary to the price trend. The 24-hour volume for this market was $26K, indicating moderate trading interest but not overwhelming liquidity.
This divergence between whale flow and the price suggests that while the broader market pulled back sharply on the odds of a US halt in Iran offensive operations, some large traders maintained or increased their exposure to the YES outcome. Such opposing signals highlight uncertainty or disagreement among market participants about the event’s probability.
The combination of a steep price drop alongside whale flow divergence points to a contested narrative in the market, with retail or smaller traders pushing the price down while whales act differently.
| Market | US announces halt in Iran offensive operations by July 24? |
|---|---|
| Market ID | 2967836 |
| 24h price change | +19.5 pp |
| YES now (PM Breaking) | 10.0% |
| YES ~24h ago (est.) | 29.5% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $26K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-19. 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.