Note on Middle East Markets: The promise of prediction markets is to harness the wisdom of the crowd to create accurate, unbiased forecasts for the most important events to society. That ability is particularly invaluable in gut-wrenching times like today. After discussing with those directly affected by the attacks, who had dozens of questions, we realized that prediction markets could give them the answers they needed in ways TV news and 𝕏 could not.

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Will Iran close the Strait of Hormuz by...?

Market icon

Will Iran close the Strait of Hormuz by...?

Dec 31

Dec 31

$18,317,151 Vol.

Dec 31, 2026
Polymarket

$18,317,151 Vol.

Polymarket

March 31

$15,545,694 Vol.

78%

June 30

$1,164,961 Vol.

83%

December 31

$1,315,070 Vol.

84%

If Iran halts or severely restricts international maritime traffic through the Strait of Hormuz by March 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official governmental information, however a consensus of credible reporting will also be used.
Volume
$18,317,151
End Date
Dec 31, 2026
Market Opened
Jan 20, 2026, 8:34 AM ET
If Iran halts or severely restricts international maritime traffic through the Strait of Hormuz by March 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No". The primary resolution source for this market will be official governmental information, however a consensus of credible reporting will also be used.

Outcome proposed: Yes

Disputed

Outcome proposal

Final dispute

Final

Beware of external links.

Frequently Asked Questions

"Will Iran close the Strait of Hormuz by...?" is a prediction market on Polymarket with 4 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "December 31" at 84%, followed by "June 30" at 83%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 84¢ implies that the market collectively assigns a 84% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Will Iran close the Strait of Hormuz by...?" has generated $18.3 million in total trading volume since the market launched on Nov 5, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Will Iran close the Strait of Hormuz by...?," browse the 4 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Will Iran close the Strait of Hormuz by...?" is "December 31" at 84%, meaning the market assigns a 84% chance to that outcome. The next closest outcome is "June 30" at 83%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Will Iran close the Strait of Hormuz by...?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.