The probability of Iran taking military action against a Gulf State on July 12 surged sharply, with the YES price climbing 82.5 percentage points in 24 hours to 90.5%, up from just 8.0% a day earlier. This dramatic repricing reflects a swift reassessment of the likelihood of conflict within this narrow timeframe.
On-chain data reveal that whale activity aligned with this price move, indicating that large traders were adding to positions on the YES side as the market shifted. The combined forces of this $35K volume and coordinated whale flow underscore a strong consensus emerging among major participants.
Instead, the data suggest conviction among influential actors that Iran will engage militarily in the Gulf region on the specified date.
The rapid shift from a low 8.0% to a near-certain 90.5% probability within a day highlights the market’s sensitivity to new information or developments. Together, the price surge and whale confirmation signal a significant re-evaluation of geopolitical risk on Polymarket, with traders aggressively positioning for this outcome.
| Market | Iran military action against a Gulf State on July 12? |
|---|---|
| Market ID | 2851417 |
| 24h price change | +82.5 pp |
| YES now (PM Breaking) | 90.5% |
| YES ~24h ago (est.) | 8.0% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $35K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-12. 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.