Polymarket

Polymarket Resolves 'Yes' on US-Iran Ceasefire by July 31 Amidst Ongoing Conflict

Despite a tumultuous July marked by renewed US-Iran hostilities, Polymarket's prediction market 'US x Iran Effective Ceasefire by July 31?' has resolved to 'Yes,' signaling that a continuous 14-day period without specific qualifying US military actions against Iran was achieved.

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— 3 min read

The high-stakes prediction market on Polymarket, asking whether the United States and Iran would achieve an 'Effective Ceasefire by July 31,' has officially resolved to 'Yes.' This outcome, finalized and frozen on August 4, 2026, with a closing price of 71¢ for 'Yes,' indicates that a continuous 14-day period devoid of specific US military actions directly impacting Iranian terrestrial territory was observed by the market's deadline.

This resolution comes amidst a complex and volatile backdrop for US-Iran relations throughout 2026. The year began with a significant escalation, as the United States and Israel launched attacks against Iran on February 28, initiating what has been termed the '2026 Iran war.' A Pakistan-mediated two-week ceasefire was initially agreed upon in April, which President Donald Trump later extended indefinitely on April 21.

However, this fragile truce unraveled in early July when Iran reportedly attacked three commercial vessels in the Strait of Hormuz. In response, the US announced the ceasefire was over on July 8, 2026, and initiated a renewed series of aerial bombings and strikes against Iran. Reports indicate a continuous barrage of US military actions against Iranian targets from July 7 through at least July 25, including '13 consecutive nights of strikes' by US Central Command.

The market's resolution hinges on a highly specific definition of a 'qualifying military action.' It specifies an air strike or surface-to-surface missile strike, initiated by the US, that directly impacts Iran's terrestrial territory. Crucially, actions such as munitions destroyed or intercepted before impact, or strikes against Iran-backed militias in Iraq, do not qualify.

According to an Iranian health ministry spokesperson on July 26, there were no US military strikes against Iran reported after the intense 13-night period, suggesting a cessation of direct qualifying actions around July 25. While tensions remained high, with the US vowing a 'forceful response' on July 29 after Iran launched intercepted ballistic missiles towards US forces in Jordan, and subsequent US-Saudi strikes targeting militias in Iraq, these events did not meet the market's criteria for a 'qualifying military action' directly against Iranian territory.

Given the last qualifying US strike against Iran's terrestrial territory appears to have occurred around July 25, a 14-day period without such actions would have commenced on July 26 and concluded on August 8. As the market's rules allow for the completion of this 14-day period to extend beyond July 31, provided the last qualifying action was on or before that date, the conditions for a 'Yes' resolution were met.

Polymarket's current prices, showing 'Yes' at 0.945 and 'No' at 0.055, reflect the market's settled outcome. This instance highlights how prediction markets, with their precise definitions, can offer a nuanced interpretation of geopolitical events, distinguishing between overall conflict and specific, defined periods of de-escalation, even within a broader state of war. Traders had previously adjusted their expectations, with odds for a ceasefire by July 31 dropping to 19% by July 21, before the specific criteria for resolution were ultimately met.

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Market data fetched at 2026-08-11 12:17 UTC | Polymarket ID: 2937525

This article is generated by AI for informational purposes only. It does not constitute financial advice. Always do your own research before making any investment decisions. Data sourced from Polymarket and public web sources.

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