US Naval Blockade of Iran by July 31 2026? Market Odds

This market will resolve to “Yes” if the United States government, or an authorized representative of the United States government, publicly and officially announces the imposition of a…

Closed marketDeadline map

US announces blockade on Iran by...?

Several deadline markets are grouped under one Polymarket event. Closed dates are archived; the live view focuses only on active deadlines.

Primary signalJuly 31
Probability100.0%
ResolutionJul 31, 2026
ResolutionJul 31, 2026
Signal board

Price, depth and useful dates

An editorial view of the signal: what leads, how much activity is behind it, and which date carries the risk.

Source on Polymarket
Deadline mapJuly 31Yes
Total volume$3.0MAll-time traded activity
24 hour volume$700.8KRecent market attention
Liquidity$359.1KDepth available around prices
Open interest$689.6KCapital still exposed
ResolutionJul 31, 2026Next active phase close
Price convictionStrongLeader is priced with very high conviction.
Active scenarios

Deadline map

Open phases only
July 31Yes side
100.0%
August 31Yes side
100.0%
Editorial analysisCurrent situation and market structure

Market dynamics hinge on a single, decisive announcement from U.S. authorities. Here’s the breakdown.

The Polymarket event centers on whether the United States will officially announce a naval blockade on Iran by specific dates—December 31 or July 31, 2026. This decision is critical, as it determines whether traders bet on a “Yes” or “No” outcome.

**Current market structure** reflects a binary outcome: the event resolves to “Yes” only if the U.S. government, or an authorized representative, makes a clear, unambiguous announcement about imposing a blockade by the specified date. Prices show a tight spread, with “Yes” priced at 31.5 cents and “No” at 68.5 cents, underscoring the low liquidity around these dates.

**Path to the leading outcome** hinges on recent signals. On April 13, 2026, President Trump announced the blockade, and the market has since settled on a “Yes” resolution for December 31. This aligns with the current odds, which now favor the U.S. government’s declaration.

**Key factors driving the market** include:
– **Official statements** from the Trump administration or CENTCOM, which are the sole valid sources.
– **Liquidity trends**, with volume and price action indicating heightened activity around the July 31 deadline.
– **Resolution mechanics**: The market resolves instantly once a qualifying announcement is made, making timing critical.

**What could shift the odds**: New information—such as a statement from the State Department or a change in the blockade’s status—could move the market. However, as of now, the leading outcome remains “Yes” due to the absence of credible counterarguments.

**Editorial takeaway**: The Polymarket reflects a high-stakes bet on U.S. policy. Monitor official channels for updates, as even minor shifts could alter the market’s direction.

Source: [Polymarket event details](https://polymarket.com/event/us-announces-blockade-on-iran-byptptpt-20260622191049039)

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This summary synthesizes recent web research, focusing on actionable outcomes and market mechanics without speculative assumptions.

Editorial market brief.
This analysis is provided for informational and editorial purposes only. Market signal prices reflect market-implied expectations, not verified outcomes or recommendations. Markets can be illiquid, volatile, and subject to ambiguous resolution criteria.