The Polymarket market on whether Iran would take military action against a Gulf State on July 9? experienced a dramatic reversal in the past 24 hours, with the YES contract price tumbling 91.2 percentage points from 95.5% to 4.2%. This sharp decline signals a near-complete loss of confidence that such action would occur on that date.
Notably, this price move diverged sharply from whale trading activity. While the YES price collapsed, whale flow did not align with the tape, indicating that large traders did not add significant net exposure to YES positions during this period.
Trading volume over the last 24 hours was $17K, reflecting moderate market engagement as the odds shifted dramatically. The rapid repricing from a near-certain 95.5% YES probability to just 4.2% essentially flips the market’s consensus on the event’s likelihood within a day.
This combination of a steep price drop alongside divergent whale behavior underscores heightened uncertainty or new information impacting market sentiment.
| Market | Iran military action against a Gulf State on July 9? |
|---|---|
| Market ID | 2851414 |
| 24h price change | +91.2 pp |
| YES now (PM Breaking) | 4.2% |
| YES ~24h ago (est.) | 95.5% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $17K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-10. 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.