The market question “Will 30 ships transit the Strait of Hormuz on any day by July 31, 2026?” saw a dramatic 55.2 percentage point drop in its YES contract price over the past 24 hours, sliding from 92.9% to 37.6% as of July 15. This sharp repricing contrasts sharply with whale activity, which moved against the price trend: whales net bought $36K into YES contracts during the same period, with $66K in buy volume and $30K in sell volume across 92 unique whales.
Polymarket’s 24-hour volume on this market was $50K, contributing to a lifetime volume of $111K with 202 unique traders participating overall. Notably, the Polymarket Breaking YES price of 37.6% differs substantially from the Polydata on-chain mid-price of 96.4%, highlighting a pronounced divergence between the market’s trading tape and on-chain valuation metrics.
This divergence between whale flow and price movement indicates a complex dynamic: while the broader market sharply downgraded the likelihood of 30 ships transiting the Strait of Hormuz by the deadline, whale investors increased exposure to YES contracts. Such opposing signals suggest uncertainty or differing interpretations of underlying information among major traders versus the wider market.
The combination of a steep price decline with significant whale accumulation points to a market in flux, with major players potentially anticipating a different outcome than the price action alone suggests. This disconnect underscores the importance of monitoring both price and whale flow to understand evolving market sentiment on this high-stakes geopolitical event.
| Market | Will 30 ships transit the Strait of Hormuz on any day by July 31, 2026? |
|---|---|
| Market ID | 2820499 |
| 24h price change | +55.2 pp |
| YES now (PM Breaking) | 37.6% |
| YES ~24h ago (est.) | 92.9% |
| YES (Polydata overview) | 96.4% |
| Whale net flow (24h) | $36K |
| Whale buy / sell (24h) | $66K / $30K |
| Unique whales (24h) | 92 |
| Volume 24h (PM) | $50K |
| Unique traders (Polydata) | 202 |
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.