The market for “Iran military action against a Gulf State on July 13?” saw its implied probability collapse by 53.0 percentage points over the last 24 hours, falling from 90.0% to 37.0%. This sharp downward repricing marks a major shift in trader expectations on Polymarket.
Notably, this price move occurred amid a divergence between whale flow and price action. Large investors continued to buy YES contracts, but the market price moved sharply lower. This split suggests that while whales maintained or increased their exposure to the event occurring, the broader market sentiment moved in the opposite direction.
The total volume traded on Polymarket for this contract in the past 24 hours was $16K, reflecting moderate liquidity during this volatile repricing episode. The divergence between whale flow and price signals a complex dynamic where large players are not driving the price move but possibly positioning against prevailing market sentiment.
This combination of a dramatic drop in the contract’s implied probability alongside conflicting whale activity indicates uncertainty or disagreement among participants about the likelihood of Iranian military action on the specified date. It highlights a market in flux, where price and big-money behavior are sending mixed signals on the event’s odds.
| Market | Iran military action against a Gulf State on July 13? |
|---|---|
| Market ID | 2851418 |
| 24h price change | +53.0 pp |
| YES now (PM Breaking) | 37.0% |
| YES ~24h ago (est.) | 90.0% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $16K |
| Unique traders (Polydata) | — |
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.