Key Highlights
- Polymarket shows 66% odds Iran closes the Strait of Hormuz by March 31.
- Total market volume has reached $9,362,796.
- The March 31 contract alone recorded $7,536,741 in trading volume.
- Odds rise further for later dates: 68% by June 30, 73% by December 31.
Prediction market platform Polymarket is seeing a sharp surge in activity around a key geopolitical question: Will Iran close the Strait of Hormuz?
According to the latest data, the March 31 contract is trading at 66% “Yes”. Which means a user can Buy Yes at 66¢ while Buy No at 35¢.
That contract alone has processed $7,536,741 in volume, representing the bulk of trading activity. Total cumulative volume across the market stands at $9,362,796.
The rising probability suggests traders are increasingly pricing in a near-term disruption in one of the world’s most critical energy chokepoints.
Longer-Term odds climb even higher
The market extends beyond March:
- June 30: 68% probability (Buy Yes 67.9¢ | Buy No 32.7¢), with $765,770 volume.
- December 31: 73% implied probability, with $766,691 volume recorded.
The upward slope in odds across longer timeframes indicates that traders believe even if closure doesn’t happen immediately, the risk remains elevated through the year.
Strategic position of the Strait of Hormuz
The Strait of Hormuz is a strategic maritime corridor through which roughly 20% of global oil shipments pass. Any confirmed closure would have immediate consequences for:
- Global oil prices
- LNG exports
- Shipping insurance costs
- Broader risk markets
For crypto markets, heightened geopolitical risk often translates into:
- Increased volatility
- Safe-haven narrative shifts (Bitcoin vs gold debate)
- Liquidity compression during U.S. trading hours
What the market Is really pricing
Polymarket contracts are binary traders who buy “Yes” or “No” shares that settle at $1 or $0 depending on the outcome.
A 66% price implies the market collectively believes there is roughly a two-thirds probability of closure by the end of March.
Importantly, prediction markets reflect trader sentiment and positioning not official confirmation.
With nearly $9.3 million already wagered, this is one of the more heavily traded geopolitical markets on the platform.
Whether this materializes into an actual maritime shutdown remains to be seen — but markets are clearly no longer treating the scenario as remote.
If confirmed, the impact would ripple across oil, equities, and crypto alike.
Also Read: Polymarket Hits Record $478M in Daily Volume Amid U.S.-Iran Conflict
